PLATE 29 



Yoj-emite Pocket Gopher in action, showing (r) method of difiyiiiK with fore feet, 

 {b, d) manner in which earth is pushed out from Inirrow, and («) way in which i^opher 

 keeps part of its body in the burrow when alert to events above ground. The prominent 

 forward-projecting- vibrissae (" Avhiskers"), the small eyes placed on upper surface 

 of head, and the ymall ears are shov.n to .-idvantage. For discussion see text, p. i:!7. 



l<;iis| 



