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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Alcorn
1936
and
1937.
Thomomys bottae canus
Aug. 19,
1936
one of the juveniles was as follows
111-29-18. This is the first time
I have secured evidence that indicated these animals
produced young this late in
the season.
March 7
1937.
I caught the following gophers
today within 10 miles of Fallon, Nevada.
♀ - 5 embryos 2/3 developed.
♀ - 6 embryo 1/3 developed.
♀ - Udder developed. Being suckled.
♀ - Uterus horns normal - no young.
♂ - Taken in burrow with a female.
March 31
1937.
I caught the following gophers
today within 10 miles of Fallon, Nevada.
♀ - 6 embryo 1/2 developed.
♀ - Uterus horns enlarged.
♂ - Caught in burrow with a female.
♀ - Uterus horns enlarged to 5 m.m. diameter
♀ - 7 embryo 3/4 developed.
♀ - 6 embryo 1/4 developed.
♀ - Enlarged, enflamed uterus horns.