Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R. Zweifel
Rana b. baylii
May 11, 1952
Carr Flat Ch Kern River Canyon,
20 mi ESE Bakersfield, Kern Co., Calif.
1808 R. Zweifel
Adult ♂, SV 53 mm.
Sketch shows (1) expanded, (2) deflated
vocal sac and (3) opening of vocal sac
in skinned specimen. Drawings are
natural size.