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Little Known Midge Galls of Certain Composites
Vol 31, Iss 1, Page 13, Date 1917-04
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Notes on the Land Mollusca of De Grassi Point, Lake Simcoe, and other Ontario Localities
Vol 31, Iss 2, Page 17, Date 1917-05
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The Lampreys of Eastern Canada
Vol 31, Iss 2, Page 23, Date 1917-05
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Some Notes on Ethno-Botany
Vol 31, Iss 2, Page 27, Date 1917-05
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The American Golden Plover in Eastern Ontario
Vol 31, Iss 2, Page 29, Date 1917-05
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The occurrence of the Bohemian Waxwing Bobmycilla garrula) at Arnprior
Vol 31, Iss 2, Page 32, Date 1917-05
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The Trenton Fauna of Wolfe Island, Ontario
Vol 31, Iss 3-4, Page 33, Date 1917-06
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Notes on the Land Mollusca of De Grassi Point, Lake Simcoe, and other Ontario Localities, continued
Vol 31, Iss 3-4, Page 40, Date 1917-06
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Peloria Flowers on Ivywort or Ivy-leaved Toadflax
Vol 31, Iss 3-4, Page 45, Date 1917-06
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Disappearance of the Blue Gray Gnat-Catcher
Vol 31, Iss 3-4, Page 45, Date 1917-06
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The Rough-winged Swallow near Ottawa
Vol 31, Iss 3-4, Page 46, Date 1917-06
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The Purple Martin
Vol 31, Iss 5-6, Page 49, Date 1917-08
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Alberni Notes (Botany)
Vol 31, Iss 5-6, Page 54, Date 1917-08
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Canada and United States will Protect Birds
Vol 31, Iss 5-6, Page 58, Date 1917-08
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The Widespread Influence of the Children's Museum
Vol 31, Iss 5-6, Page 59, Date 1917-08
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Notes from The Journal of William Pope
Vol 31, Iss 5-6, Page 60, Date 1917-08
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A New Genus and Species of Crestless Hadrosaur from the Edmonton Formation of Alberta
Vol 31, Iss 7, Page 65, Date 1917-10
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The Red-tailed Hawk in Manitoba
Vol 31, Iss 7, Page 74, Date 1917-10
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Was the Lower Cambrian Trilobite Supreme?
Vol 31, Iss 7, Page 77, Date 1917-10
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Why the Leaves Change Their Color
Vol 31, Iss 7, Page 80, Date 1917-10
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Notes on the Winter Birds of the Okanagan Valley
Vol 31, Iss 8, Page 81, Date 1917-11
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Notes from The Journal of William Pope, continued
Vol 31, Iss 8, Page 89, Date 1917-11
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The Meadow Mouse or Vole
Vol 31, Iss 8, Page 91, Date 1917-11
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The Richmond Faunas of Little Bay de Noquette, in Northern Michigan
Vol 31, Iss 9, Page 97, Date 1917-12
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Some Habits of Two Burrowing Spiders in Manitoba
Vol 31, Iss 9, Page 104, Date 1917-12
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The Migration of the Barren Ground Caribou
Vol 31, Iss 9, Page 107, Date 1917-12
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Notes on the Evening Grosbeak (Hesperiphona vespertina)
Vol 31, Iss 9, Page 110, Date 1917-12
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The Canadian Porcupine
Vol 31, Iss 10, Page 113, Date 1918-01
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Notes on the Birds in an Okanagan Orchard
Vol 31, Iss 10, Page 118, Date 1918-01
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The Richmond Faunas of Little Bay de Noquette, in Northern Michigan, continued
Vol 31, Iss 10, Page 121, Date 1918-01
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Outlines of Comparative Anatomy of Vertebrates, by J. S. Kingsley [Review]
Vol 31, Iss 10, Page 127, Date 1918-01
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The Birds of Edmonton
Vol 31, Iss 11, Page 129, Date 1918-02
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On the genus Trachodon of Leidy
Vol 31, Iss 11, Page 135, Date 1918-02
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Brief Notes on the Prevalence of Certain Birds in British Columbia
Vol 31, Iss 11, Page 139, Date 1918-02
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The Fur Seals
Vol 31, Iss 11, Page 141, Date 1918-02
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Flora of the Rocky Mountains and Adjacent Plains, by P. A. Rydeberg [Review]
Vol 31, Iss 11, Page 143, Date 1918-02
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The Birds of Edmonton
Vol 31, Iss 12, Page 145, Date 1918-03
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William Hague Harrington [Obituary]
Vol 31, Iss 12, Page 150, Date 1918-03
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Roberyt B. Whyte [Obituary]
Vol 31, Iss 12, Page 151, Date 1918-03
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Bird Notes From Manitoba
Vol 31, Iss 12, Page 151, Date 1918-03