TLATE 36 



(I. Granite talus in head of Lyell Canon, altitude about 10,000 feet ; Hud^onian 

 Zone. The home of the Sierra Pine Marten, Gray Bushy-tailed Wood Eat^ and Yoseniite 

 Gony. 



b. Kitchen middens on a jirostrate log where red fir cones had been customarily 

 dissected by a Sierra Chickaree. Photo8rai)h taken on Porcupine Flat, July 1, 1915. 

 See description in text, p. 208. 



Jos\ 



