Field notes, v1502
Page 643
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
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