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Canada's National Parks: The Cutting Edge of Commercialization
Vol 86, Iss 1, Page 1
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Spring Migration at Prince Edward Point
Vol 86, Iss 1, Page 3
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Food Habits of Black Bears in Interior Alaska
Vol 86, Iss 1, Page 17
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Pollen Characteristics of Manitoba Cattails
Vol 86, Iss 1, Page 33
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Heliotropism in some Arctic Flowers
Vol 86, Iss 1, Page 41
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The Vegetation of Northern Keewatin
Vol 86, Iss 1, Page 45
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Range Extension of Black Ash, Fraxinus nigra Marsh., in Manitoba
Vol 86, Iss 1, Page 73
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The White Mullet, Mugil curema, Added to and the Striped Mullet, M. cephalus, Deleted from the Canadian Atlantic Fish Fauna
Vol 86, Iss 1, Page 74
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Notes on Home Range and Social Behavior in Adult Richardson's Ground Squirrels (Spermophilus richardsonii)
Vol 86, Iss 1, Page 77
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Response of Pintails to Improved Breeding Habitat in Southern Manitoba
Vol 86, Iss 1, Page 79
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Insects Collected from the Toadflax, Comandra umbellata ssp. pallida (Santalaceae), Infected by the Rust, Cronartium comandrae, in Southern Alberta
Vol 86, Iss 1, Page 81
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First Record of the Cattle Egret in the Northwest Territories
Vol 86, Iss 1, Page 83
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Common Grackle at Rankin Inlet, Keewatin District
Vol 86, Iss 1, Page 84
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House Sparrow at Schefferville, Quebec
Vol 86, Iss 1, Page 84
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Lincoln's Sparrow at Inuvik, N.WT. and Common Starling at Whitehorse, Yukon
Vol 86, Iss 1, Page 85
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Two Unrecorded Nesting Species on Grand Manan Island
Vol 86, Iss 1, Page 85
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Ring-billed Gulls Robbing Lesser Scaup of Food
Vol 86, Iss 1, Page 86
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In Memoriam: Lewis Mclver Terrill [Obituary]
Vol 86, Iss 1, Page 87
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Herbicides: A Critical Look at their Use in Forest Management
Vol 86, Iss 1, Page 91
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Essays in Plant Geography and Ecology, ed. K. N. H. Greenidge Review]
Vol 86, Iss 1, Page 97
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Growth and Development of Trees. Volume I. Seed Germination, Ontogeny and Shoot Growth, by T. T. Kozlowski [Review]
Vol 86, Iss 1, Page 98
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The Economics of Abundance: A Non-Inflationary Future, by Robert Theobald [Review]
Vol 86, Iss 1, Page 99
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Oil on Ice. Alaskan Wilderness at the Crossroads, by T. Brown [Review]
Vol 86, Iss 1, Page 100
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Freshwater Fishes of Northwestern Canada and Alaska, by J. D. McPhail and C. C. Lindsey [Review]
Vol 86, Iss 1, Page 103
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Environmental Geology: Conservation, Land-use Planning and Resource Management, by Peter T. Flawn [Review]
Vol 86, Iss 1, Page 105
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Chemical Mutagens: Environmental Effects on Biological Systems, by L. Fishbein, W. G. Flamm and H. L. Falk; and Chemical Mutagens: Principles and Methods for their Detection, ed. A. Hollaender [Review]
Vol 86, Iss 1, Page 106
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Pollution and the Death of Man: The Christian View of Ecology, by Francis A. Schaeffer [Review]
Vol 86, Iss 1, Page 107
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To the Arctic! The Story of Northern Explorers from Earliest Times to the Present, by Jeanette Mirsky [Review]
Vol 86, Iss 1, Page 108
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The Ecology of Running Waters, by H. B. N. Hynes [Review]
Vol 86, Iss 1, Page 108
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Pictorial Guide to the Birds of North America, by Leonard Lee Rue III [Review]
Vol 86, Iss 1, Page 109
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The Best of Thoreau's Journals, by Carol Bode [Review]
Vol 86, Iss 1, Page 110
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Common Wild Flowers of Minnesota, by Gerald B. Ownbey [Review]
Vol 86, Iss 1, Page 110
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Errata
Vol 86, Iss 1, Page 122
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The Crayfish, Orconectes virilis, as an Indicator of Mercury Contamination
Vol 86, Iss 2, Page 123
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Parasites and Diseases of Bison in Canada. III. Anthrax Outbreaks in the Last Decade in Northern Canada and Control Measures
Vol 86, Iss 2, Page 127
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Fishes of the Northeastern Wood Buffalo National Park Region, Alberta and Northwest Territories
Vol 86, Iss 2, Page 133
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Natural History of a Manitoba Population of Franklin's Ground Squirrels
Vol 86, Iss 2, Page 145
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Some Effects of Water Level on the Reproductive Success of the White Pelican at East Shoal Lake, Manitoba
Vol 86, Iss 2, Page 151
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Notes on Habitat Preference and Reproduction in Pigmy Shrews, Micosorex
Vol 86, Iss 2, Page 155
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Reflowering in some Tundra Plants in October near Nome, Alaska
Vol 86, Iss 2, Page 161
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The Application of Closed-Circuit Television to Nature Interpretation
Vol 86, Iss 2, Page 162
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The Nessus Sphinx Feeding on Decaying Vertebrates in Ontario
Vol 86, Iss 2, Page 162
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Grackles Retrieve Dead Smelt from Lake Erie
Vol 86, Iss 2, Page 163
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Catbird at Churchill, Manitoba
Vol 86, Iss 2, Page 164
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First Verified Record of the Black-necked Stilt in Alberta
Vol 86, Iss 2, Page 165
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Clanculus microdon ater Pilsbry in British Columbia
Vol 86, Iss 2, Page 165
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Eastern Kingbird on Southampton Island, N.W.T.
Vol 86, Iss 2, Page 166
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Second Record of Sparrow Hawk on Jenny Lind Island, N.W.T.
Vol 86, Iss 2, Page 166
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Coastal Records of the Long-billed Curlew for British Columbia
Vol 86, Iss 2, Page 167
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Greater Scaup is Common Breeder on Northern Lake Winnipeg
Vol 86, Iss 2, Page 168
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New Records of Sculpins (Cottidae) from the Coasts of British Columbia and Washington
Vol 86, Iss 2, Page 168
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An Observation of Killer Whale Predation on a Dall Porpoise
Vol 86, Iss 2, Page 170
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A Northern Distribution Record of Pomoxis nigromaculatus (Lesueur)
Vol 86, Iss 2, Page 171
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Two New Records for Pinedrops (Pterospora andromedea Nutt.) for Ontario and Quebec
Vol 86, Iss 2, Page 172
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In Memoriam: James Walton Groves [Obituary]
Vol 86, Iss 2, Page 177
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Living and Fossil Brachiopods, by M. J. S. Hutchinson [Review]
Vol 86, Iss 2, Page 183
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Pollen and Spores of Chile, by C. J. Heusser [Review]
Vol 86, Iss 2, Page 183
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Analysis of Temperate Forest Ecosystems, ed. David E. Reichle [Review]
Vol 86, Iss 2, Page 184
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Geographical Variation in the Polar Bear, Ursiis maritimus Phipps, by T. H. Manning [Review]
Vol 86, Iss 2, Page 184
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Ecology and Physiology of Parasites: A Symposium, ed. A. M. Fallis [Review]
Vol 86, Iss 2, Page 185
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The Rust Fungi of Cereals, Grasses and Bamboos, by George Baker Cummins [Review]
Vol 86, Iss 2, Page 186
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Systems Analysis and Simulation in Ecology. Vol. 1 by B. C. Patten [Review]
Vol 86, Iss 2, Page 186
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Man and his Environment, by Don R. Arthur [Review]
Vol 86, Iss 2, Page 187
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Birds of the Early Explorers in the Northern Pacific, by Theed Pearse [Review]
Vol 86, Iss 2, Page 188
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Atlas of United States Trees. Volume 1. Conifers and Important Hardwoods, by Elbert L. Little, Jr. [Review]
Vol 86, Iss 2, Page 188
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Chemotaxonomy of the Leguminosae, eds. [J. B. Harborne, D. Boulter and B. L. Turner Review]
Vol 86, Iss 2, Page 190
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Use and Conservation of the Bioshere, no. X, Resources Research Series [Review]
Vol 86, Iss 2, Page 191
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Climate, Man and History, by Robert Clairborne [Review]
Vol 86, Iss 2, Page 191
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The Environmental Revolution, A Guide for the New Masters of the Earth, by Max Nicholson [Review]
Vol 86, Iss 2, Page 192
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An Atlas of Speciation in African Passerine Birds, by B. P. Hall and R. E. Moreau [Review]
Vol 86, Iss 2, Page 193
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The Voter's Guide to Environmental Politics: Before, During and After the Election, by Garrett de Bell [Review]
Vol 86, Iss 2, Page 195
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Ontario Federal Members of Parliament Perceptions of Environmental and Socially Related Issues, 1971, by Pollutioin Probe Ottawa [Review]
Vol 86, Iss 2, Page 195
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Nuclear Power and the Public, ed. H. Foreman [Review]
Vol 86, Iss 2, Page 196
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Management of Lakes and Ponds, by George W. Bennett [Review]
Vol 86, Iss 2, Page 198
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The Biology of Lichens, by Mason E. Hale, Jr. [Review]
Vol 86, Iss 2, Page 199
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Forest Gene Resources: Their Conservation and Utilization with Special Reference to the Canadian Spruces, Laurence Roche by [Review]
Vol 86, Iss 2, Page 200
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The Life History and Ecology of the Gray Whale, by Dale W. Rice and Allen A. Wolman [Review]
Vol 86, Iss 2, Page 200
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Birds of Guatemala, by Hugh C. Land [Review]
Vol 86, Iss 2, Page 201
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Biology of Bats, ed. W. A. Wimsatt [Review]
Vol 86, Iss 2, Page 202
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Infectious Diseases of Wild Mammals, eds. J. W. Davis, L. H. Karstad and D. O. Trainer [Review]
Vol 86, Iss 2, Page 202
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The Prairie World, by David F. Costello [Review]
Vol 86, Iss 2, Page 203
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Ecological Effects of Snowmobiles
Vol 86, Iss 3, Page 207
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Native Swans Wintering on Vancouver Island over the Period 1969-71
Vol 86, Iss 3, Page 213
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Research on Canadian Mammals
Vol 86, Iss 3, Page 217
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A Study of the Boreal Owl in Southern Ontario with Particular Reference to the Irruption of 1968-69
Vol 86, Iss 3, Page 223
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The Evolution of a Discrete Beaver Habitat in the Mackenzie River Delta, Northwest Territories
Vol 86, Iss 3, Page 233
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Spinulose Wood Ferns, Dryopteris, in Western North America
Vol 86, Iss 3, Page 241
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Lichens from the Kluane Game Sanctuary, S. W. Yukon Territory
Vol 86, Iss 3, Page 249
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Aberrant Coloration in Canadian Eastern Chipmunks, Tamias striatus
Vol 86, Iss 3, Page 253
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History and Economic Importance of the White Fox, Alopex, Fur Trade in Northern Alaska 1798-1963
Vol 86, Iss 3, Page 259
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Additions to the Flora of Alberta
Vol 86, Iss 3, Page 269
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Insular Fishes of Iles de la Madeleine, Gulf of St. Lawrence, Canada
Vol 86, Iss 3, Page 275
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Additions to the Avifauna of St. Pierre and Miquelon
Vol 86, Iss 3, Page 279
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The Short-tailed Albatross Recorded at Ocean Station Papa, North Pacific Ocean, with Notes on other Birds
Vol 86, Iss 3, Page 285
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Fannin's Color Variation of the Dall Sheep, Ovis dalli, in the Mentasta Mountains of Eastern Alaska
Vol 86, Iss 3, Page 288
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New Records of Freshwater Fishes from the Northwestern Coast of Insular Newfoundland
Vol 86, Iss 3, Page 289
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A Nova Scotian Kittiwake Colony
Vol 86, Iss 3, Page 291
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A New Distributional Record for the Gadwall
Vol 86, Iss 3, Page 291
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Robin Attacks Garter Snake
Vol 86, Iss 3, Page 292
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Weasel Harasses Rock Ptarmigan
Vol 86, Iss 3, Page 292
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Probable Sightings of Little Shearwaters, Puffinus assimilis, on the Southeastern Grand Banks
Vol 86, Iss 3, Page 293
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Thayer's Gulls Wintering off Western Newfoundland
Vol 86, Iss 3, Page 294
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A Robin "Colony" in Southern Ontario
Vol 86, Iss 3, Page 294
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Brown Thrasher in British Columbia
Vol 86, Iss 3, Page 295
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Black-necked Stilt, New for British Columbia
Vol 86, Iss 3, Page 296
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Poor-will from East-central Alberta
Vol 86, Iss 3, Page 296
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The Purple Cliff-brake, Pellaea atropurpurea (L.) Link, in Western Quebec
Vol 86, Iss 3, Page 297
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In Memoriam: Herbert Groh [Obituary]
Vol 86, Iss 3, Page 299
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The Need for Complete Protection of the Peregrine Falcon
Vol 86, Iss 3, Page 307
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The Hidden Forest, by Sigurd F. Olson and Les Blacklock [Review]
Vol 86, Iss 3, Page 311
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The New York Aquarium Book of the Water World : A Guide to Fishes, Aquatic Invertebrates, Reptiles, Birds and Mammals, by W. Bridges [Review]
Vol 86, Iss 3, Page 311
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Science and the Crisis in Society, by Frank H. George [Review]
Vol 86, Iss 3, Page 312
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The Moths of America North of Mexico, Including Greenland, by Ronald W. Hodges [Review]
Vol 86, Iss 3, Page 312
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How to Know the Tapeworms, by Gerald D. Schmidt [Review]
Vol 86, Iss 3, Page 314
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Environmental Change: Focus on Ontario, by D. E. Elrich [Review]
Vol 86, Iss 3, Page 315
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Biology and the Social Crisis: A Social Biology for Everyman, by J. K. Brierley [Review]
Vol 86, Iss 3, Page 316
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Ecological Studies. 2. Interated Experimental Ecology, by Heinz Ellenberg [Review]
Vol 86, Iss 3, Page 317
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Air Pollution, by C. W. Lavaroni and P. A. O'Donnell; Water Pollution, by C. W. Lavaroni, P. A. O'Donnell and L. A. Lindberg; and Noise Pollution, by P. A. O'Donnell and C. W. Lavaroni [Reivew]
Vol 86, Iss 3, Page 318
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Introduction to Fungi, by John Webster [Review]
Vol 86, Iss 3, Page 320
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The Biology of Higher Cryptogams, by William T. Doyle [Review]
Vol 86, Iss 3, Page 320
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Papers on Evolution, by P. R. Ehrlich, R. W. Holm and P. H. Raven [Review]
Vol 86, Iss 3, Page 321
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Man and His Environment: Climate, by David M. Gates [Review]
Vol 86, Iss 3, Page 321
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Engineering Aspects of Thermal Pollution, by F. L. Parker and P. A. Krenkel [Review]
Vol 86, Iss 3, Page 322
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Birds of The Cape Henrietta Maria Region, Ontario
Vol 86, Iss 4, Page 333
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Winter Habitat Preference of Porcupines in the Southern Alberta Foothills
Vol 86, Iss 4, Page 349
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Sapsucker Nest Holes and Their Use by Other Species
Vol 86, Iss 4, Page 357
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A Plant Collection from the Southern Interior of Banks Island, N.W.T.
Vol 86, Iss 4, Page 363
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Woodsia scopulina in Algonquin Park, Nipissing District, Ontario
Vol 86, Iss 4, Page 367
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Nest Parasitism at McConnell River, N.W.T.
Vol 86, Iss 4, Page 369
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Arctic Loon Breeding in Alberta
Vol 86, Iss 4, Page 372
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Summer Foods of American Widgeon, Mallards, and a Green-winged Teal near Great Slave Lake, N.W.T.
Vol 86, Iss 4, Page 373
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Predation at a Northern Yukon Bank Swallow Colony
Vol 86, Iss 4, Page 376
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The Eastern Chipmunk, Tamias striatiis, in Southwestern Minnesota, U.S.A.
Vol 86, Iss 4, Page 377
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A Comparison of Populations of Boreal Red-backed Vole (Clethrionomys gapperi) in Tornado Blowdown and Standing Forest
Vol 86, Iss 4, Page 377
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Black-necked Stilts Observed in Manitoba
Vol 86, Iss 4, Page 380
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First Record of Chestnut-collared Longspur in Ontario
Vol 86, Iss 4, Page 382
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Additional Information on Egg Shell Thickness in Relation to DDE Concentrations in Great Blue Heron Eggs
Vol 86, Iss 4, Page 384
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First Yellow Wagtail Nest Record for Canada
Vol 86, Iss 4, Page 385
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Additional Winter Records of the McKay's Bunting
Vol 86, Iss 4, Page 386
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Sabine's Gull Sightings in Alberta
Vol 86, Iss 4, Page 388
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Sabine's Gulls in Alberta
Vol 86, Iss 4, Page 388
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Spring Observations of Sabine's Gull
Vol 86, Iss 4, Page 389
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Evidence of Tree Nesting by the Marbled Murrelet in the Queen Charlotte Islands
Vol 86, Iss 4, Page 389
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Wolverine in Gatineau Park, Quebec
Vol 86, Iss 4, Page 390
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Western Records of the Chestnut-sided Warbler
Vol 86, Iss 4, Page 390
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Success of Three Gull Species Feeding on Swarming Ants in Antigonish County, Nova Scotia
Vol 86, Iss 4, Page 391
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Ralph Durham Bird, 1901-1972 [Obituary]
Vol 86, Iss 4, Page 393
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This Good, Good Earth: Our Fight for Survival, by Ralph O. Brinkhurst and Donald A. Chant [Review]
Vol 86, Iss 4, Page 403
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The Naturalists' Directory, by Willard H. Baetzner [Review]
Vol 86, Iss 4, Page 403
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The Mutagenicity of Pesticides, by S. S. Epstein and M. S. Legator [Review]
Vol 86, Iss 4, Page 404
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Ecology, Pollution, Environment, by A. Turk, J. Turk and J. T. Wittes [Review]
Vol 86, Iss 4, Page 404
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Beyond the Land Itself: Views of Nature in Canada and the United States, by Marcia B. Kline [Review]
Vol 86, Iss 4, Page 405
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Biometeorlogical Methods, by R. E. Munn [Review]
Vol 86, Iss 4, Page 406
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Studies of Bird Hazards to Aircraft, by Canadian Wildlife Service [Review]
Vol 86, Iss 4, Page 407
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A Tourist Guide to Mount McKinley, by Bradford Washburn [Review]
Vol 86, Iss 4, Page 407
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The Family Life of Birds, by Hans D. Dossenbach [Review]
Vol 86, Iss 4, Page 408
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Blue Meridan - The Search for the Great White Shark, by Peter Matthiessen [Review]
Vol 86, Iss 4, Page 409
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Kamloops, an Angler's Study of the Kamloops Trout, by Steve Raymond [Review]
Vol 86, Iss 4, Page 409
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Seaweeds of Cape Cod and the Islands, by John M. Kingsbury [Review]
Vol 86, Iss 4, Page 410
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Mountain Sheep: A Study in Behaviour and Evolution, by Valerius Geist [Review]
Vol 86, Iss 4, Page 410
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Wild Flowers of the Pyrenees, by A. W. Taylor [Review]
Vol 86, Iss 4, Page 411
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The Sea Beach at Ebb Tide, by Augustus Foote Arnold [Review]
Vol 86, Iss 4, Page 412
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Hawks, Owls and Wildlife, by John J. Craighead and Frank C. Craighead Jr. [Review]
Vol 86, Iss 4, Page 413
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The Winter of the Fisher, by Cameron Langford [Review]
Vol 86, Iss 4, Page 413
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Amphibians and Reptiles of the U.S.S.R., by A. G. Bannikov, I. S. Darevsky and A. K. Rustamov [Review]
Vol 86, Iss 4, Page 414
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Insect Pollination of Crops, by John B. Free [Review]
Vol 86, Iss 4, Page 414
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How to Know the Marine Isopod Crustaceans, by George A. Schultz [Review]
Vol 86, Iss 4, Page 415
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The Lives of Wasps and Bees, by Sir Christopher Andrewes [Review]
Vol 86, Iss 4, Page 415
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The Classification, Evolution and Dispersal of the Winter Stonefly Genus Allocapnia, by Herbert H. Ross and William E. Ricker [Review]
Vol 86, Iss 4, Page 416