Nordickson 1950 Hyla crepitans Nov. 19 Villavicencio, 1600 ft., Meta, Colombia, S.A. First specimen taken at about 9:30 P.M. Temp. of frog = air temp. = 24.3°C.; water = 22.6°C. Air temp. (6") = 22.6°C., water Temp. = 24.3°C. It was sitting at the water's edge beneath overhanging grass 6"-10" tall. The pool was a rain pool about 4'x8'; its maximum depth appeared to be about 6". Also took an amplexed pair in the water at the edge of this pool. Later, I took another amplexed pair in another pool on the other (N) side of the creek (same pool as green-backed dendrobatid and amplexed "H. microcephala"). This pair was in the shallow water beneath overhanging grass and bushes. The pool measured about 4 1/2 x 10'. The call seems different from the calls heard at Carbatana and near Villavicija earlier on this trip. Nov. 22 Saw three individuals, one about 2 1/2 ft. up in bush, two at water's edge. Individual in bush was about 20' from water, about 6 ft. above stream level. One of those at water's edge was at edge of 4'x6' rain pool; other was on creek banks. Both the last