Articles
Tiger Salamander, Ambystoma tigrinum, Movements and Mortality on the Trans-Canada Highway in Southwestern Alberta — ANTHONY P. CLEVENGER, MIKE McIVOR, DIANE McIVOR, BRYAN CHRUSZCA and KARI GUNSON	199
Possible Microclimate Benefits of Roost Site Selection in the Red Bat, Lasiurus borealis, in Mixed Mesophytic Forests of Kentucky — JEFFREY T. HUTCHINSON and MICHAEL J. LACKI	205
Ectoparasites in Lekking Sharp-tailed Grouse, Tympanuchus phasianellus — LEONARD J.S. TSUJI, JIM D. KARAGATZIDES, and GERARDO DEILUIIS	210
Vascular Plants of a Successional Alvar Burn 100 Days After a Severe Fire and Their Mechanisms of Re-establishment — PAUL M. CATLING, ADRIANNE SINCLAIR, and DON CUDDY	214
New Records of Land Snails from the Mountains of Northwestern British Columbia — ROBERT G. FORSYTH	223
The Establishment and Proliferation of the Rare Exotic Plant, Lythrum hyssopifolia, Hyssop-leaved Loosestrife, at a Pond in Guelph, Ontario — MARC T. JOHNSON, and CARL J. ROTHFELS	229
Records of Canada Lynx, Lynx canadensis, in the Upper Peninsula of Michigan, 1940-1997 — DEAN E. BEYER, JR., BRIAN J. ROELL, JAMES H. HAMMILL, and RICHARD D. EARLE	234
Diet of the Prairie Rattlesnake, Crotalus viridis viridis, in Southeastern Alberta — MARGARET M.A. HILL, G. LAWRENCE POWELL, and ANTHONY P. RUSSELL	241
Effects of Enclosed Large Ungulates on Small Mammals at Land Between The Lakes, Kentucky — CLARE C. WEICKERT, JOSEPH C. WHITTAKER, and GEORGE A. FELDHAMER	247
Thermal Habitat Use and Evidence of Seasonal Migration by Rocky Mountain Tailed Frogs, Ascaphus montanus, in Montana — SUSAN B. ADAMS and CHRISTOPHER A. FRISSELL	251
Prey and Reproduction in a Metapopulation Decline Among Swainson's Hawks, Buteo swainsoni — JOSEF K. SCHMUTZ, C. STUART HOUSTON, and SAMUEL J. BARRY	257
Use of Host-mimicking Trap Catches to Determine which Parasitic Flies Attack Reindeer, Rangifer tarandus, Under Different Climatic Conditions — JOHN R. ANDERSON, ARNE C. NILSSEN and WILLY HEMMINGSEN	274
Germination Potential, Updated Population Surveys and Floral, Seed and Seedling Morphology of Symphyotrichum laurentianum, the Gulf of St. Lawrence Aster, in the Prince Edward Island National Park — SARAH E. STEWART and CHRISTIAN R. LACROIX	287
Mule, Odocoileus hemionus, and White-tailed, O. virginianus, Deer in the Yukon — MANFRED HOEFS	296
New Records of Vascular Plants in the Yukon Territory III — WILLIAM J. CODY, CATHERINE E. KENNEDY and BRUCE BENNETT	301
Observations of Change in the Cover of Polargrass, Arctagrostis latifolia, and Arctic Lupine, Lupinus arcticus, in Upland Tundra on Herschel Island, Yukon Territory — C.E. KENNEDY, C.A.S. SMITH, and D.A. COOLEY	323
Survey of Freshwater Mussels in the Petitcodiac River Drainage, New Brunswick — JOHN MARK HANSON and ANDREA LOCKE	329
Notes
Three New Taxa and a Summary of the Mustard Family, Brassicaceae (Cruciferae), in Canada and Alaska — GERALD A. MULLIGAN	341
Trillium ovatum Pursh variety hibbersonii (Taylor et Szczawinski) Douglas et Pojar, variety nova — GEORGE W. DOUGLAS and JIM POJAR	343
Killing of a Bison, Bison bison, Calf by a Wolf, Canis lupus, and Four Coyotes, Canis latrans, in Yellowstone National Park — DOUGLAS W. SMITH, KERRY M. MURPHY, and STAN MONGER	343
Short-eared Owl, Asio flammeus, Attack on a Burrowing Owl, Athene cunicularia, in Suffield National Wildlife Area, Alberta — SARAH D. CARNEGIE, ERIN J. URTON, and DAVID L. GUMMER	345
Arboreal Courtship Behaviour by Eastern Garter Snakes, Thamnophis sirtalis sirtalis, in September in Bruce County, Ontario — DAVID A. GALBRAITH	347
Increases and Expansion of the New Brunswick Breeding Population of Black-legged Kittiwakes, Rissa tridactyla — F. PATRICK KEHOE and ANTONY W. DIAMOND	349
A Yellow Wood Lily, Lilium philadelphicum, from Nantucket Island, Massachusetts, With Notes on its Occurrence in New England — DENVER W. HOLT and WESLEY N. TIFFNEY	351
Initial Movements of Juvenile Piping Plovers, Charadrius melodus, from Natal Sites in Northwestern North Dakota — JEFFREY M. KNETTER, ROBERT K. MURPHY, and R. SCOTT LUTZ	352
Evidence of an Indirect Dispersal Pathway for Spotted Knapweed, Centaurea maculosa, Seeds, via Deer Mice, Peromyscus maniculatus, and Great Horned Owls, Bubo virginianus — DEAN E. PEARSON and YVETTE K. ORTEGA	354
Cooperative Foraging by Steller Sea Lions, Eumetopias jubatus — SCOTT M. GENDE, JAMIE N. WOMBLE, MARY F. WILLSON, and BRIAN H. MARSTON	355
Tributes and Biography
A Tribute to Douglas Barton Osbourne Savile, 1909 2000 — J. GINNS and STEPHEN DARBYSHIRE	357
Evolution of a Naturalist — D.B.O. SAVILE	365
Book Reviews
Zoology: A Field Guide to the Birds of China — The California Condor: A Saga of Natural History and Conservation — Mammals of North America: Temperate and Arctic Regions — Snipes of the Western Palearctic	381
Environment: Encounters With Nature: Essays by Paul Shepard — River in a Dry Land: A Prairie Passage	386
Miscellaneous: Yellowstone and the Great West: Journals, Letters, and Images from the 1871 Hayden Expedition	388
News and Comment
Notices: The 123rd Annual Business Meeting of The Ottawa Field-Naturalists' Club: 8 January 2002 — Call for Nominations: The Ottawa Field-Naturalist's Club 2002 Council — Call for Nominations: The Ottawa Field-Naturalists' Club 2001 Awards — Point Pelee Natural History News 1(1) Spring 2001 — Alberta Wildlife Status Reports: (26 to 31) — The Boreal Dip Net 5(2) — Froglog: Newsletter of the Declining Amphibian Populations Task Force (43, 44) — Frog Log 1(1): A newsletter for Canadian "Frogwatch" — Marine Turtle Newsletter (92)	390
Editors Report for Volume 114 (2000) — FRANCIS R. COOK	392

ISSN: 0008-3550