Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Salt
1950
Catalogue
6 mi S. + 2 mi. E. of Bridgeport, 6900 ft.,
Mono Co., Calif.
May 30.
137 ♂ Petrochelidon albifrons testes 13mm. a 25.8 gm
brood patch?