Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
P. PEARSON
1948
19
Swager Canyon, 8200 ft., Sweetwater Mt., Mono Co.
Caey.
1136 Zapus princeps
Live trap, Swager Canyon, June 27th 3 A.M.
1137 Zapus princeps
Live trap, Swager Canyon, June 28th 6 A.M.
Sluggish when brought in. Shortly thereafter
became torpid, but returned to normal in mid-afternoon.
castrated July 5. Died Jan 1.
June 30
Swager Canyon
1138 Sorex palustris
143 x 79 x 19 ♂
Dead in trap overnight. Testes 2 mm., thall only.
Stomach empty.
1139 Microtus
177 x 70 x 22 x ♂
Dead in trap 12 night - 7 a.m. along stream. Testes 13 mm., but
Tubules not mature. No skin, no skull. Saved testis.
1140 Peromyscus
143 x 66 x 21 x 18 ♀
Overnight: No embryos, no scars, although uterus is
fairly stout. Adult pelage.
1141 Peromyscus.
159 x 76 x 20 x 17 ♀
Overnight. Sub-adult pelage. Pregnant, 2 and 2.
Swelling 6 mm., spherical.