Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R. Zwief
April 18, 1953
239
Coluber constrictor mormon
Willow Ch., O'Neill, Modro Co. Calif.
Migration situation (see R. boyei
note). Went into water when penned.
Had eaten a Thamnophis sirtalis.