Kaye - 1933 9 mi. S, 6 mi. W, Chico; 100 ft. Butte Co., Calif. Sept. 15, 1933. consists of alternating clumps of dead willow overgrown with live wild grape; interspersed with an occasional oge- amore, likewise parasitized by the wild grape. Near the west edge of this growth oaks and open spaces occur. The soil is clayey, strong in ferro-magnesium minerals. Squirrel holes are everywhere in this particular area, and most of them are occupied. They even line the high bank of the lagoon, extending, on an average, halfway down the 20 foot drop to the surface of the lag- oon. The squirrels are quite fearless and easy to shoot. Numbers of Calif. jackrabbits also infest this area; and are, similarly, tame and easy to shoot. Good indications for smaller mammals are not evident. However, I set out 16 mouse traps in a shallow draw choked with wild grape and wild rose. Upon our approach to this area this afternoon we observed an interesting case exemplifying the "survival of the fittest!" We saw a young red tail