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Observations of Rocky Mountain Goats on Mount Wardle, Kootenay National Park, British Columbia
Vol 81, Iss 1, Page 1
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Food Habits of the Ashnola Bighorn Sheep Herd
Vol 81, Iss 1, Page 23
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Notes on the Distribution of Two Grasses, Sporobolus neglectus and Leersia virginica in Quebec
Vol 81, Iss 1, Page 30
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The Winter Diet of Barren-ground Caribou in Northern Canada
Vol 81, Iss 1, Page 33
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The Mammals of Sable Island
Vol 81, Iss 1, Page 40
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Status of Birds, Lake St. John Region, Quebec
Vol 81, Iss 1, Page 50
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Functional Anatomy of the Tail and Associated Behavior in Woodland Caribou
Vol 81, Iss 1, Page 63
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Ninth Census of Non-Passerine Birds in the Sanctuaries of the North Shore of the Gulf of St. Lawrence
Vol 81, Iss 1, Page 67
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History of the Birds of Kingston, Ontario, by Helen R. Quillam [Review]
Vol 81, Iss 1, Page 75
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Countryman: A Summary of Belief, by Hal Borland [Review]
Vol 81, Iss 1, Page 75
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Muskoxen in Canada, A Biological and Taxonomic Review, by J. S. Tener [Review]
Vol 81, Iss 1, Page 76
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Catalogue of Canadian Fossil Fishes, by Brian George Gardiner [Review]
Vol 81, Iss 1, Page 77
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Noteworthy Bird Records from the Porcupine River Drainage, Yukon
Vol 81, Iss 1, Page 78
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Editorial: New Natural History
Vol 81, Iss 2, Page 79
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Habiitat Restriction by Competitive Exclusion in the Mice Peromyscus and Mus
Vol 81, Iss 2, Page 81
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Some Winter Aspects of the Great Gray Owl
Vol 81, Iss 2, Page 99
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The Effect of Phosphamidon on Bird Populations in Jack Pine Stands in Quebec
Vol 81, Iss 2, Page 102
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Herpetological Observations in Saskatchewan and the Mackenzie District
Vol 81, Iss 2, Page 106
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Studies of the Byron Bog in Southwestern Ontario. VIII. Distribution of Club-mosses and Ferns
Vol 81, Iss 2, Page 110
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A Variety of Timmia (Musci) New to North America
Vol 81, Iss 2, Page 113
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Observations on Canadian Birch (Betula) collections at the Morgan Arboretum. IV. B. caerulea-grandis and Hybrids
Vol 81, Iss 2, Page 116
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Twin Seedlings and Abnormal Germination in the Yellow Birch, Betula alleghaniensis Britton
Vol 81, Iss 2, Page 128
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Female Sexual Cycles of Chrysemys picta and Clemmys insculpta in Nova Scotia
Vol 81, Iss 2, Page 134
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Birds of Canada, by W. Earl Godfrey [Review]
Vol 81, Iss 2, Page 141
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Natural Areas as Research Facilities, by American Association for the Advancement of Science [Review]
Vol 81, Iss 2, Page 143
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The Whooping Crane, by Faith McNulty [Review]
Vol 81, Iss 2, Page 144
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John James Audubon, A Biography, by Alexander B. Adams [Review]
Vol 81, Iss 2, Page 145
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A Guide to Field Identification, Birds of North America, by Chandler S. Robbins, Bertel Brunn and Herbert S. Zim [Review]
Vol 81, Iss 2, Page 146
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Range Extension of Willets in Eastern Canada
Vol 81, Iss 2, Page 147
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Rufous Hummingbird in Ontario
Vol 81, Iss 2, Page 148
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A Black Bear Kills a Fawn
Vol 81, Iss 2, Page 149
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Notes on the Gull Colonies of Prince Edward Island
Vol 81, Iss 2, Page 150
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Occurrence of The Fulvous Tree Duck in Canada
Vol 81, Iss 2, Page 151
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Buff-breasted Sandpiper in New Brunswick
Vol 81, Iss 2, Page 152
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Range Extension of the Harris' Sparrow
Vol 81, Iss 2, Page 152
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The Honourable Mr. Arthur Laing Proposes Formation of a National Nature Trust
Vol 81, Iss 2, Page 154
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Secretary Udall Names 78 Endangered Wildlife Species
Vol 81, Iss 2, Page 155
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A Matter of Some Pride
Vol 81, Iss 2, Page 158
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Canadian Orchid Survey Project
Vol 81, Iss 2, Page 159
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Nest Record Card Programs in Canada
Vol 81, Iss 2, Page 160
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Editorial: A National Conservation Foundation
Vol 81, Iss 3, Page 163
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Draba sibirica (Pall.) Thell. in North America
Vol 81, Iss 3, Page 165
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Some Parasites Recovered from the Ocean Sunflsh, Mola mola (L.), in Newfoundland
Vol 81, Iss 3, Page 168
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The Passenger Pigeon in Wellington County, Ontario
Vol 81, Iss 3, Page 172
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Bird Populations in Fields of Ontario County, 1965
Vol 81, Iss 3, Page 175
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The Occurrence of the Pearlsides, Maurolicus muelleri (Gmelin), in the Northwestern Atlantic
Vol 81, Iss 3, Page 184
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Mass Occurrences of the Fern, Ophioglossum vulgatum, in the Ottawa District, Ontario
Vol 81, Iss 3, Page 186
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Millipeds (Diplopoda) in the Vicinity of London, Ontario
Vol 81, Iss 3, Page 189
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New Bird Records from Alaska and the Alaska Highway
Vol 81, Iss 3, Page 196
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Observations on the Pollination Biology of Plants on Melville Island, N.W.T., Canada
Vol 81, Iss 3, Page 201
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The Evolution of Canada's Flora, by Roy L. Taylor and R. A. Ludwig (eds.) [Review]
Vol 81, Iss 3, Page 206
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Of Scientists and Salamanders, by Victor C. Twitty [Review]
Vol 81, Iss 3, Page 207
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Interactions of Man and His Environment, by Burgess H. Jennings and John E. Murphy (eds.) [Review]
Vol 81, Iss 3, Page 208
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Fishes of the Atlantic Coast of Canada, by A. H. Leim and W. B. Scott [Review]
Vol 81, Iss 3, Page 209
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Silvics of Forest Trees of the United States, by H. A. Fowells [Review]
Vol 81, Iss 3, Page 210
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Geology Illustrated, by John S. Shelton [Review]
Vol 81, Iss 3, Page 211
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The Glory of the Tree, by B. K. Boom and H. Kliyn [Review]
Vol 81, Iss 3, Page 212
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Whooping Crane Population Dynamics on the Nesting Grounds, Wood Buffalo National Park, Northwest Territories, Canada, by N. S. Novakowski [Review]
Vol 81, Iss 3, Page 213
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North American Birds Eggs, by Chester A. Reed [Review]
Vol 81, Iss 3, Page 213
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A Guide to Nature Projects, by Ted S. Petit [Review]
Vol 81, Iss 3, Page 214
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Centennial of Entomology in Canada 1863-1963, A Tribute to Edmund M. Walker, ed. Glenn B. Wiggins [Review]
Vol 81, Iss 3, Page 215
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The Wild Turkey, its History and Domestication, by A. W. Schorger [Review]
Vol 81, Iss 3, Page 215
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Plants from Sea to Sea, by F. H. Montgomery [Review]
Vol 81, Iss 3, Page 216
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The Year Outdoors, A Naturalist's Calendar, by Eva Rodimer [Review]
Vol 81, Iss 3, Page 217
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Living Island, by Evelyn M. Richardson [Review]
Vol 81, Iss 3, Page 217
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Dinosaur Hunting in Western Canada, by Loris S. Russell [Review]
Vol 81, Iss 3, Page 218
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Non Flowering Plants, by Floyd S. Shuttleworth and Herbert S. Zim [Review]
Vol 81, Iss 3, Page 218
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Sex Ratios and Wing Chord Lenghts of Pine Siskins (Spinus pinus) in Algonquin Park, Ontario
Vol 81, Iss 3, Page 220
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An Overlooked Record of the Ruff in Quebec
Vol 81, Iss 3, Page 222
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Manitoba's First Collected Specimen of the Varied Thrush
Vol 81, Iss 3, Page 222
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Spotted Sandpiper Chicks Returning to the Nest
Vol 81, Iss 3, Page 223
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Hedysarum occidentale Greene (Leguminosae) , new to Canada
Vol 81, Iss 3, Page 224
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An Albino Ring-billed Gull from Ontario
Vol 81, Iss 3, Page 224
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A note on the homing behaviour of Peromyscus maniculatus osgoodi
Vol 81, Iss 3, Page 225
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Xanthochroism in the Cape May Warbler and Evening Grosbeak
Vol 81, Iss 3, Page 226
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Occurrence of ptarmigan off northern Labrador
Vol 81, Iss 3, Page 227
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Unusual Sight Records of Birds Near Churchill, Manitoba
Vol 81, Iss 3, Page 228
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Bird Notes from James Bay in Late November
Vol 81, Iss 3, Page 229
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A Dragonfly New to Canada
Vol 81, Iss 3, Page 230
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Say's Phoebe, Sayornis saya, in Nova Scotia
Vol 81, Iss 3, Page 230
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Observations on Pantala flavescens (Fabricius) (Odonata: Libellulidae) in Canada
Vol 81, Iss 3, Page 231
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Preservation of the Byron Bog
Vol 81, Iss 3, Page 232
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The Coming Conference on Canadian Parks
Vol 81, Iss 4, Page 241
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The Distribution and Abundance of Arctic Hares in Newfoundland
Vol 81, Iss 4, Page 242
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Predation by Weasels on a Winter Population of Lemmings, Banks Island, Northwest Territories
Vol 81, Iss 4, Page 248
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Observations on Canadian Birch (Betula) Collections at the Morgan Arboretum V. B. papyrifera and B. cordifolia from Eastern Canada
Vol 81, Iss 4, Page 251
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Weights and Measurements of Moose in Elk Island National Park, Alberta
Vol 81, Iss 4, Page 263
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Food Items in Two Loggerhead Sea Turtles, Caretta caretta caretta (L.), from Nova Scotia
Vol 81, Iss 4, Page 269
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Sedum in the Ottawa District
Vol 81, Iss 4, Page 273
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First Record of the Summer Tanager in Ottawa, Ontario
Vol 81, Iss 4, Page 274
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Common Terns (Sterna hirundo) Nesting at Miquelon Lake, Alberta
Vol 81, Iss 4, Page 274
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Elymus sibiricus (Gramineae) New to British Columbia
Vol 81, Iss 4, Page 275
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Sea Birds off Halifax, March, 1967
Vol 81, Iss 4, Page 276
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Alexia myosotis (Ellobiidae) in British Columbia
Vol 81, Iss 4, Page 278
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Sight Record of Scissor-tailed Flycatcher near Toronto, Ontario
Vol 81, Iss 4, Page 279
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Silverside, Menidia menidia, and Northern Pipefish, Syngnathus fuscus, in the St. John River, N.B.
Vol 81, Iss 4, Page 280
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Nest Record Schemes in Canada
Vol 81, Iss 4, Page 281
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The Nature Conservancy of Canada
Vol 81, Iss 4, Page 285
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Text of The Duke of Edinburgh's Address to the Canadian Audubon Society
Vol 81, Iss 4, Page 286
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Alberta Bison Moved to Quebec
Vol 81, Iss 4, Page 288
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Ivory-billed Woodpecker Feared Extinct, Sighted
Vol 81, Iss 4, Page 289
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The Mammals of Eastern Canada, by Randolph L. Peterson Review]
Vol 81, Iss 4, Page 291
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The Alien Animals, by George Laycock [Review]
Vol 81, Iss 4, Page 292
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Handbook of Northwestern Plants, by Helen M. Gilkey and La Rea J. Dennis [Review]
Vol 81, Iss 4, Page 293
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A Continent in Danger, by Vincent Servenity [Review]
Vol 81, Iss 4, Page 294
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Wildlife in Canada, by R. D. Lawrence [Review]
Vol 81, Iss 4, Page 295
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Freshwater Fishes of Eastern Canada, by W. B. Scott [Review]
Vol 81, Iss 4, Page 296
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The Illustrated Flora of Illinois: Ferns, by Robert H. Mohlenbrock [Review]
Vol 81, Iss 4, Page 296