Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
539
Burrow system of Ammospermophilus
1 mi. w Home dale, Idaho. May 31, 1936
3ft.
Profile burrow opening
Top of bank 3ft.
ground plan nest
4 ft.
6 young in burrow;
3 taken alive,
3 trapped.
Nest 120 long
115 wide {outside
50 deep.
75{wider
75}
35}
in adobe soil, under a bed of hardpan.
Digging easy in adobe.
Burrow &.5 mm in diameter on ave
Nest chamber 120 mm wide
170 long
160 high.