R. Zinsser April 26, 1951 272 Pana boyli boyli E. Fork, San Gabriel River, 3.0 mi. from Camp Prunum, Los Angeles Co., Calif. 1951, R. Zinsser The dorsal color is light brown with an olive Tinge. On the back between the dorsolateral line there are about ten less defined darker spots ranging in diameter from one to four milli- meters. The dorsolateral glandular folds are very little elevated and are colored as the rest of the back, olive-brown. The hind legs are barred. Toe tips are light brown, some of them lighter than the back - a contrast to R. b. mucrona. The region of the groin and undersides of femurs and tibiae are yellow. The rest of the underside is white. In light phase, the throat is immaculate. In dark phase there is a general darkening with no definite pattern perceptible. The light band across the front of the head is faintly indicated. Bride gnomonic well developed - possibly better than in R. b. mucrona.