Number 85 May 25, 1920 



OCCASIONAL PAPERS OF THE MUSEUM OF 

 ZOOLOGY 



UNIVERSITY OF MICHIGAN 



Ann Arbor, Michigan Published by the University 



THE LAND VERTEBRATE ASSOCIATIONS OF 

 INTERIOR ALASKA 



By Lee Raymond Dice 



Introduction 



While serving as Deputy Fur Warden in the Alaska Fisheries 

 Service during 191 1 and 191 2, many notes were secured on verte- 

 brate habitats in interior Alaska. The present paper attempts to 

 organize these notes, and is being published with the permission of 

 the United States Bureau of Fisheries. 



Interior Alaska was reached via Skagway and Dawson in 

 July, 191 1. Most of the time from then until February, 191 2, was 

 spent in the neighborhood of Tanana. In this time, however, a 

 visit continuing through the month of August, 191 1, was made to 

 Fairbanks. In February and March, 191 2, a portage was made by 

 dog sled from Tanana to the head of the north fork of the Kusko- 

 kwim. Here a boat was constructed, in which the trip, beginning 

 in June, was made to Bethel at the mouth of the Kuskokwim. 

 During this journey a side trip of several weeks' duration was made 

 to Takotna and its vicinity. From Bethel the Kuskokwim was 



