Contributions to the natural history of Alaska [electronic resource] : results of investigations made chiefly in the Yukon district and the Aleutian Islands; conducted under the auspices of the Signal Service, United States Army, extending from May, 1874, to August, 1881 /
Tables. Original issued in series: Arctic series of publications in connection with the Signal Service, U.S. Army; no. 2. Includes index. Includes bibliographical references. Electronic reproduction. Mode of access: Internet. 44