Hendrickson 1950 Journal Bogota, 8700 ft., Cundinamarca, Colombia, S. A. Oct. 15 Dr. Stebbins and I walked from the Claridge Hotel to the slopes bordering the city on the E. We collected together from about 3:00 P.M. to about 5:00 P.M. His notes and mine will be found to overlap and supplement each other. The slopes coming down to the city on its E side are covered with matted green grass somewhat resembling Bermuda grass—perhaps more coarse. Clover occurs interposed through the grass and a composite bush about 2 feet high grows scattered over the hillside, singly or in clumps. All over the hillside were audible a chorus of cricket-like chirps which we I am almost certain were produced by Elaeodera [illegible] Pheylla [illegible] subgeminatus. Eleutherobactylus bogotensis We collected a number of this species, and “chirps” followed as closely as possible to their source revealed one of the frogs under the rock. The noise was produced at about 2 second intervals by individuals which were singled out from the chorus. Using Dr. Stebbins pitch-pipe, we decided the main tone heard was almost exactly 2 octaves above violin A. Syllabified, the call sounded to me like: tweee <2 sec> tweee <2 sec> tweee....