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Observations on the Mating and Spawning of Pimephales promelas (Raf.)
Vol 51, Iss 1, Page 1
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Pest vs. Pest
Vol 51, Iss 1, Page 4
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Swimming Habits of Mammals
Vol 51, Iss 1, Page 5
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Further Notes on Wintering Red-breasted Nuthatches
Vol 51, Iss 1, Page 11
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Additions to the Fungus Flora of Anticosti Island and Gaspe Peninsula
Vol 51, Iss 1, Page 6
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Nesting of the American Golden-Eye (Glaucionetta clangula americana)
Vol 51, Iss 1, Page 11
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A Nest-hunting Broad-winged Hawk (Buteo platypterus platypterus)
Vol 51, Iss 1, Page 12
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Unusual Nesting of Eastern Redwings
Vol 51, Iss 1, Page 12
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The Golden-winged Warbler (Vermivora chrysoptera) in the Toronto Region
Vol 51, Iss 1, Page 12
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Short-eared Owl (Asio flammeus flammeus) at Baker Lake, N.W.T.
Vol 51, Iss 1, Page 13
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The Kentucky Warbler, an old Quebec Record
Vol 51, Iss 1, Page 13
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Note on a Winter Activity of the American Golden-eye Duck (Glaiicionetta clangula americana)
Vol 51, Iss 1, Page 13
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An Unusual Nest of the Common Pigeon
Vol 51, Iss 1, Page 14
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A Contribution to a Bibliography of the Described Immature Stages of North American Coleoptera, by J. S. Wades [Review]
Vol 51, Iss 1, Page 14
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Changes in the Natural History of the High River District, Alberta
Vol 51, Iss 2, Page 15
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Notes on the Care and Habits of some Interesting Urodeles
Vol 51, Iss 2, Page 17
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Experiences with Trapped Birds
Vol 51, Iss 2, Page 20
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Christmas Bird Censuses, 1936
Vol 51, Iss 2, Page 21
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Some Notes on the Sand Cricket (Tridaectylis apicalis Say.)
Vol 51, Iss 2, Page 28
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Western Meadowlark near London
Vol 51, Iss 2, Page 29
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Pileated Woodpecker Breeding in Toronto Region
Vol 51, Iss 2, Page 30
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Errata
Vol 51, Iss 2, Page 30
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Winter Carrying Capacity of Marginal Ruffed Grouse Environment in North-Central United States
Vol 51, Iss 3, Page 31
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Some 1933 Bird Notes from London, Ontario
Vol 51, Iss 3, Page 34
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The Pine Mouse in Elgin County, Ontario, with Notes on Two Other Species
Vol 51, Iss 3, Page 36
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Some Measurements and Observations from Bronzed Grackles
Vol 51, Iss 3, Page 37
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Extension of Range of Tamias striatum griseus Mearns
Vol 51, Iss 3, Page 39
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Fifty Years After
Vol 51, Iss 3, Page 40
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The Yellow Rail in Southern Manitoba
Vol 51, Iss 3, Page 41
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Feeding Habits of Bald-Headed Eagle
Vol 51, Iss 3, Page 42
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Golden Eagle and Richardson's Owl in Brant County, Ontario
Vol 51, Iss 3, Page 44
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A Yellow-billed Cuckoo in the Ottawa District
Vol 51, Iss 3, Page 45
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A Hybrid Flicker at Ottawa
Vol 51, Iss 3, Page 45
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Albino Black Duck
Vol 51, Iss 3, Page 45
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Hoary Redpolls at Kamouraska, Quebec
Vol 51, Iss 3, Page 45
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The White Pelican in the Province of Quebec
Vol 51, Iss 3, Page 45
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Occurrence of the Wood Thrush in the Laurentian Region just North of Montreal
Vol 51, Iss 3, Page 46
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A Hare Indian Dog
Vol 51, Iss 4, Page 47
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A Decade of Progress in the Bird Sanctuaries of the North Shore of the Gulf of St. Lawrence
Vol 51, Iss 4, Page 51
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Further Notes on William Couper
Vol 51, Iss 4, Page 56
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The Slug Arion circumscriptus in Canada
Vol 51, Iss 4, Page 58
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An Albino Meadowlark
Vol 51, Iss 4, Page 59
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The American Eider on the Niagara River
Vol 51, Iss 4, Page 59
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Observations on the Food Habits of the Snowy Owl
Vol 51, Iss 4, Page 59
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Spring Rivalry of Birds
Vol 51, Iss 4, Page 60
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Fluctuations in Numbers of Ruffed Grouse, by C. H. Douglas Clarke [Review]
Vol 51, Iss 4, Page 61
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The Distribution of Breeding Birds in Ontario, Part 1, by J. L. Baillie and P. Harrington [Review]
Vol 51, Iss 4, Page 62
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The Snowshoe Rabbit Enquiry 1935-36
Vol 51, Iss 5, Page 63
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A Study of the Home Life of the Eastern Whip-poor-will (Antrostomus vociferus)
Vol 51, Iss 5, Page 73
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Banded European Widgeon Recovered in Prince Edward Island
Vol 51, Iss 5, Page 77
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A Wintering Towhee at Ottawa
Vol 51, Iss 5, Page 77
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Holcus mollis in Canada
Vol 51, Iss 5, Page 77
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A Preliminary List of the Birds of Hillside Beach, Lake Winnipeg, Manitoba:
Vol 51, Iss 6, Page 79
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The Pygmy Owl (Glaucidium gnoma pinicola) an Alberta Bird
Vol 51, Iss 6, Page 86
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The Hawk Owl and Raven in Southern Ontario
Vol 51, Iss 6, Page 87
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Hawk and Raven at Point Pelee
Vol 51, Iss 6, Page 87
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The Occurrence of the Ring-necked Snake at Cape Rich
Vol 51, Iss 6, Page 87
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Nest-Hunting Hawks
Vol 51, Iss 6, Page 88
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The Home-Life and Economic Status of the Double-Crested Cormorant, Phalacracorax auritus auritus, by Howard L. Mendall [Review]
Vol 51, Iss 6, Page 88
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New Species from the Triassic Schooler Creek Fornaation
Vol 51, Iss 7, Page 95
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American Dog Tick, Dermacentor variabilis Say, in Ontario
Vol 51, Iss 7, Page 99
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Notes on Birds of the Labrador Peninsula in 1934 and 1935
Vol 51, Iss 7, Page 99
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Some Additions to the Flora of Prince Edward Island
Vol 51, Iss 7, Page 105
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City Grouse
Vol 51, Iss 7, Page 107
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John A. Morden, 1859-1937 [Obituary]
Vol 51, Iss 7, Page 108
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Evening Grosbeaks in Owen Sound, Ontario
Vol 51, Iss 7, Page 109
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Two Banded Nestling Starling Recoveries
Vol 51, Iss 7, Page 109
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Long Distance Flight of Banded Bluebirds
Vol 51, Iss 7, Page 109
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White Gyrfalcon in Alberta
Vol 51, Iss 7, Page 110
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Victorian Sea Shells, by Charles J. Gabriel [Review]
Vol 51, Iss 7, Page 110
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Vascular Plants from Diana Bay, Hudson Strait
Vol 51, Iss 8, Page 111
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The Spiders of Mer Bleue, near Ottawa
Vol 51, Iss 8, Page 114
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Revision of Birds of Miners Bay and Vicinity, Halburton County, Ontario
Vol 51, Iss 8, Page 115
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Notes on Some Leeches from Ontario and Quebec
Vol 51, Iss 8, Page 117
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Notes on Birds of the Labrador Peninsula in 1934 and 1935
Vol 51, Iss 8, Page 119
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On the Status of the Starling (Sturnus vulgaris) at Toronto
Vol 51, Iss 8, Page 124
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The Arkansas Kingbird in Southern Ontario
Vol 51, Iss 8, Page 125
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The American Egret at the Eastern end of the Niagara Peninsula
Vol 51, Iss 8, Page 125
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Studies in the Life History of the Song Sparrow, by Margaret Nice Morse [Review]
Vol 51, Iss 8, Page 126
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Contributions to the Triassic of Peace River, B.C.
Vol 51, Iss 9, Page 127
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Distribution of Marine Organisms
Vol 51, Iss 9, Page 132
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Some Additional Species from Anticosti Island
Vol 51, Iss 9, Page 135
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The Food of the Snowy Owl (Nyctea nyctea) During a Migration to the Gulf of St. Lawrence
Vol 51, Iss 9, Page 136
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Twenty Year Old Ferruginous Rough-legged Hawk
Vol 51, Iss 9, Page 137
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Les Insectes Fossiles des Terrains Oligocenes de France, by Nicolas Théobald [Review]
Vol 51, Iss 9, Page 137