Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Horne, H.
1993
July 29 (continued)
failed to catch a large Crotaphytus collaris in rocks; in the course of searching for it saw a Peromyscus and its grass cup nest under a small rock.
July 30 Portal, Cochise Co., Arizona
arrived here yesterday PM from the Huachucas. at 0910 hr (after 40 minutes of searching !) I found Crotalus molossus ♀#12 under a large rock on the 1st high terrace south of Silver Creek & roughly opposite fde #1. She was in shade ≈30 cm back, facing out, rattle not visible, no food lump or other snake visible. at 0938 hr I spotted C. molossus ♂#3 crawling up a ±45° slope in the open sun at ±2-3 m minute, at least some rectilinear, near the crest of the ridge point S. of the one lane bridge on Silver Creek. After, I'd watch a few minutes he stopped 1/2 way in a juniper tree, his anterior out of sight and still away up a hole at the base.
I left at [illegible] 0958. at 1040 hr I located C. molossus ♂#9's sign under boulders w/a rat nest ≈200 m N of the road ±100 m SSE of the middle "dolphin head" - in the same dears where he and ♂#13 were last August. Couldn't see him.
July 31 at 0815 hr I located C. molossus ♀#15 in a cavity under a ledge like rock - she rattled when