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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Behle
1933
Mad River ford, 2700 ft. above South, Trinity County, Calif.
may 21
the second river bottom. In this particular
location the runs were very numerous
and may have been made by the same
individual.
The additional ten rat traps were placed
at the bases of canthus cuneatus bushes
and clumps of manzanita in a
circular area 75 yards in diameter
on the old river bed. There was much
sand and gravel all about. Some sign
of Dipodomys was noted where small
plants had been dug up. The yield
of this group was two kangaroo rats,
one taken at the base of a canthusa
bush. One taken at the base of a
manzanita bush.
This trap line which I have been
running with Dr Grinnell now totals
75 traps, 40 of which are govt mouse traps
and 35 rat traps. In addition there
are the eight shole traps in four sets.
Temperature this morning at 6:30 A.M.
was 42° F.
yesterday afternoon at 5:00 p.m. I ran
the trap line of rat traps which had been
left baited in hope of catching chipmunks.
The yield was four, all were taken on or