Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
W. Riemer
1950
Journal
16 Feb. Calif.: Contra Costa Co, Lafayette Reservoir
pair in water in sufficient to cover
back of ??. Animals attempt in such
situations to work way under tangle
of grass at shore. Amplexing pairs
much less wary than single animals
and easily approached. When alarmed
capable of high speed escape. Is this
a coordinated effort or does ?? do all
the work? Vent of separated ?? extremely
enlarged and swollen and flaccid to
extent that when animal inverted
lips (?) of cloaca hung downward over
tail almost to dorsal fin. A number
of animals removed from this pool
as a sample of torrums in this county
during February. Breeding development
and food contents to be noted.
No amplexing seen in lake proper but
many animals seen coming to surface
for out or swimming near shore.
How far out do these animals go?
to what depth of water. Found adult
of which apparently had become entangled
with grass (?) on lake bottom and strangled
to death. Body very much bleached.
Also captured a subadult lacking
almost all melanin. Specimen to be