Abstract
67 answers were receiyed to questionnaires on population trends in 1941-42. Arctic foxes, Alopex lagopus, were increasing or abundant throughout the Arctic and Subarctic except for the west coast of Hudson Bay. Lemmings, Lemmus and Dicrostonyx, had decreased, except that they were still abundant in the southern part of Baffin L "Mice" were more abundant along the northern Labrador coast and around the southern part of Hudson Bay and James Bay. The snowy owl, Nyctea nyctea, had disappeared from the Eastern Arctic except for some places where lemmings or "mice" were still abundant and there was a flight into southern Canada and the U. S. in the autumn of 1941. Sledge dogs were generally free from epidemics except for an outbreak of "distemper" in n.-e. Manitoba and n.-w. Ontario.

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