| A. M. N. H. | American Museum of Natural History | M. C. Z. | Museum of Comparative Zoölogy |
| A. N. S. P. | Academy of Natural Sciences of Philadelphia | M. P. H. N. | Musée Polonais d'Histoire Naturelle (Warsaw, Poland) |
| Baylor U. | Baylor University | M. V. Z. | Museum of Vertebrate Zoölogy, University of California |
| B. M. | British Museum of Natural History | M. Z. | Museum of Zoölogy, University of Michigan |
| B. S. N. | Boston Society of Natural History | N. H. R. S. | Naturhistoriska Riksmuseum |
| B. Z. M. | Berlin Zoological Museum | N. M. C. | National Museum of Canada |
| C. A. C. | California Academy of Sciences | S. D. M. | San Diego Society of Natural History |
| C. M. | Carnegie Museum | Snyder | W. E. Snyder, Beaver Dam, Wisconsin |
| C. R. C. M. | Charles R. Conner Museum, Washington State College | Stan. U. | Leland Stanford Junior University |
| C. Z. M. | University Zoological Museum, Copenhagen, Denmark | Stephens | Frank Stephens, private collection |
| Cornell | Cornell University | Swenk, Mr. | Myron H. Swenk, private collection |
| Cowan | Ian McTaggart-Cowan, private collection | U. O. | University of Oregon, Eugene, Oregon |
| Dickey | Donald R. Dickey (deceased), private collection | U. S. N. M. | United States National Museum |
| E. R. W. | Edward R. Warren, private collection | Walker | Alex Walker, private collection |
| F. M. N. H. | Field Museum of Natural History | Wisc. U. | University of Wisconsin |
| F. S. M. | Florida State Museum | * | Approximate |
| Kans. U. | University of Kansas, Museum of Natural History | ** | Average of 14 |
[LITERATURE CITED]
Abbot, C. C.
1884. A naturalist's rambles about home. D. Appleton and Co., New York, 485 pp.
Addy, E.
1939. A weasel trails a rabbit. Jour. Mamm., 20:372-373, August 14, 1939.
Aldous, S. E., and Manweiler, J.
1942. The winter food habits of the short-tailed weasel in northern Minnesota. Jour. Mamm., 23:250-255, August 13, 1942.