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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Murray
1949
Journal
Aug 14 Big Sagoon, Humboldt Co., Calif.
Dr. Pearson and Cogswell yesterday
brought in a half sized Rhacotriton
Gascaphus which they had found in a
stream in redwoods. This morning they
had several Gascaphus tadpoles and
some Rhacotriton larvae. this afternoon
Dr. Miller, Cullin and I went up for
a look. the stream runs up about a
30°, south facing hillside, fairly densely
grown with redwoods. It is very rocky,
with boulders up to 3 feet for the most
part. There is a succession of shelf like
pools, with water flowing over rocks
and dropping 2 or 3 feet in between. the
flow is not particularly swift; not enough
to cause splashing over rocks. there are
fallen logs and overhanging rocks to
give shaded spots. Found a number of
Gascaphus larvae, always attached to
rocks. this position seemed random, and
not particularly oriented downstream,
though the swiftness of the water
probably does not warrant that there.
Some had tails being bent at right angles
by the current. Most were on exposed
rock surfaces, though a few were on
the bottom beneath rocks. One would