Hendrickson 1950 Journal Nov. 21 1/2 mi. E. Quarameta, 3100 ft., Meta, Colombia, S.A. At this point, where Caño Maizaro (or Caño Parrado?) crossed the road, the stream is a clear, fast brook, averaging about 8' wide by about 6" deep. It runs on a fairly clean-swept boulder and gravel bed with many little cascades and pools. We worked the stream bed is in a canyon with steeply- sloping walls (some small, almost level benches at canyon bottom, terminating in 4'-8' cut banks to stream bed), heavily vegetated with fairly small trees, large ferns, bushes, vines, and other tropical vegetation. We worked up the stream bed, making short excursions into the streamsde vegetation. Under a rock in a small trickle on the canyon wall (near the main stream) I found a crab (preserved for deposit in invertebrate collection at Zool. Dept., U.C.). I saw and missed a 2"-3" snout-vent length, very thin-legged frog - to me it looked Rhytid-like. While working along on my hands and knees under dense vegetation, I apparently disturbed it from a roost above me. Stephan fell past my head and hit directly,