. The Canadian field-naturalist. 100 The Canadian Field-Naturalist Vol. 99. range of Lemmus sibiricus J/ Willmore collection site January Cave Figure 1. Range oi Lemmus sibiricus modified from Hall (1981) and Burns (1980). and K. J. VanTighem. 1983. Ecological (Biophysical) Land Classification of Banff and Jasper National Parks Volume III: The Wildlife Inventory. Part A. Canadian Wildlife Service, Edmonton. Report for Parks Canada. 444 pp.). Until further survey work on small mammals is conducted in the area the systematic and distributional status of this species in Alberta will remain uncert
. The Canadian field-naturalist. 100 The Canadian Field-Naturalist Vol. 99. range of Lemmus sibiricus J/ Willmore collection site January Cave Figure 1. Range oi Lemmus sibiricus modified from Hall (1981) and Burns (1980). and K. J. VanTighem. 1983. Ecological (Biophysical) Land Classification of Banff and Jasper National Parks Volume III: The Wildlife Inventory. Part A. Canadian Wildlife Service, Edmonton. Report for Parks Canada. 444 pp.). Until further survey work on small mammals is conducted in the area the systematic and distributional status of this species in Alberta will remain uncertain. An addendum with respect to the type specimen of Lemmus sibiricus heholus may be of interest. In the original description Richardson (1828) did not indi- cate where the specimen was housed and subsequent authors have not indicated the whereabouts of this specimen. One of us (HCS) contacted the British Museum (Natural History) to ask if the specimen was housed in their collection. Mr. P. D. Jenkins replied that the type specimen is housed in the British Museum as a study skin and skull with registration number Literature Cited Banfield, A. W. F. 1974. The mammals of Canada. Univer- sity of Toronto Press, Toronto. 438 pp. Burns, J. A. 1980. The brown lemming, Lemmus sibiricus (Rodentia, Arvicolidae), in the late Pleistocene of Alberta and its postglacial dispersal. Canadian Journal of Zoology 58: 1507-1511. Cowan, I. McT.,and C. J. Guiguet. 1965. The mammals of British Columbia. Third edition. British Columbia Pro- vincial Museum, Victoria. 414 pp. Hall, E. R. 1981. The mammals of North America. Second edition. John Wiley & Sons. New York. 1181 + 90 pp. Krebs, 1964. The lemming cycle at Baker Lake, Northwest Territories, during 1959-62. Arctic Institute of North America Technical Paper 15. Preble, E. A. 1908. A biological investigation of the Athabaska-Mackenzie region. U. S. Biological Survey, North American Fauna No. 27. 574 pp. Rausch, R. 1950. Observ
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