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The Formation of the Great Plains of Northwestern Canada
Vol 30, Iss 1, Page 11
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The Magpie in Western Ontario
Vol 30, Iss 1, Page 15
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Unusual Bird Records at Montreal During the Fall and Winter
Vol 30, Iss 1, Page 15
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The Use of Wild Plants as Food by Indians
Vol 30, Iss 2, Page 17
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Some Notes on Fossil Collecting and on The Edriosateroidea
Vol 30, Iss 2, Page 21
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Bird Notes
Vol 30, Iss 2, Page 26
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Aberration in Hepatica acutiloba
Vol 30, Iss 2, Page 27
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A Preliminary Paper on the Origin and Classification of Intraformational Conglomerates and Breccias
Vol 30, Iss 2, Page 29
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American Insect Galls
Vol 30, Iss 3-4, Page 37
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The Barn Owl Nesting in Southwestern Ontario
Vol 30, Iss 3-4, Page 39
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Some Notes on Fossil Collecting and on the Ediioasteroidea, continued
Vol 30, Iss 3-4, Page 40
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A Preliminary Paper on the Origin and Classification of Intraformational Conglomerates and Breccias, continued
Vol 30, Iss 3-4, Page 47
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Paedeumias and the Mesonacidae, with Description of a New Species, having at least 44 Segments, from the Lower Cambrian of British Columbia
Vol 30, Iss 5-6, Page 53
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Preliminary Paper on the Origin and Classification of Intraformational Conglomerates and Breccias, continued
Vol 30, Iss 5-6, Page 58
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Another Nesting Site for the Prairie Warbler in Ontario
Vol 30, Iss 5-6, Page 67
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Comarocystites and Caryocrinites
Vol 30, Iss 7, Page 69
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Sea Squirts
Vol 30, Iss 7, Page 80
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Edible and Poisonous Mushrooms, by W. A. Merrill [Review]
Vol 30, Iss 7, Page 84
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Comarocystites and Caryocrinites
Vol 30, Iss 8, Page 85
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New Sphaeriidae, by Victor Sterki [Review]
Vol 30, Iss 8, Page 93
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The Sharp-shinned Hawk
Vol 30, Iss 8, Page 97
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Comarocystites and Caryocrinites, continued
Vol 30, Iss 9, Page 101
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Kildeer Plover
Vol 30, Iss 9, Page 113
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Rapacity of the Bronzed Grackle
Vol 30, Iss 9, Page 114
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European Butterfly Found at London, Ontario
Vol 30, Iss 9, Page 116
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On Cheneosaurus tolmanensis, a new Genus and Species of Trachodont Dinosaur from the Edmonton Cretaceous of Alberta
Vol 30, Iss 10, Page 117
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Birds of Lake Onigamis Region, Que. and Algonquin Park, Ont.
Vol 30, Iss 10, Page 123
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Notes on the Feeding Habits of Two Salamanders in Captivity
Vol 30, Iss 10, Page 129
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Copncerning some Ontario Crayfishes
Vol 30, Iss 10, Page 130
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Occurrence of the Ring-necked Pheasant in the Vicinity of Montreal
Vol 30, Iss 10, Page 132
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Notes on some Ottawa District Plants
Vol 30, Iss 11, Page 133
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Horned Larks at Aweme, Manitoba
Vol 30, Iss 11, Page 144
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Notes on the Bottom Environment of the Marine Invertebrates of Western Nova Scotia
Vol 30, Iss 12, Page 149
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My Bird Houses
Vol 30, Iss 12, Page 155
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Birds Observed at Grande Prairie City, Peace River District
Vol 30, Iss 12, Page 157
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Are Our Forests Vanishing?
Vol 30, Iss 12, Page 158