Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
general avangement of dark bars on body
most variation in dorsal "V", which may
have more pointed ends (\) or squarer
\ . pattern constant in all color phases, but
lightens + darkens. Iris color approx same
in all phases.