Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R. Zweifel
1953
Phrynosoma orbiculare
6 mi. WSW Las Adjuntas, 8500', Durango, Mexico
2408 RZ July 9
In an open area in the pine-oak-madrono forest on a sunny morning. B.T. 37.4°C.