PLATE 36 



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

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

 Cony. 



b. Kitchen middens on a prostrate lo^ where red lir cones had been customarily 

 dissected by a Sierra Chickaree. Photograph taken on Porcupine Flat, July 1, 1915. 

 See description in text, p. 208. 



ro8] 



