willard: cranial nerves of anolis carolinensis. 



27 



Fig. a. — Pavement scales covering the right half of the anterior end of 

 lower jaw; the position of sense buds is shown by the circles: each bud 

 !_ possesses a tactile "hair," which is visible under higher magnification. 



Fig. B. — Pavement scales from frontal region of the head, showing that 

 the sense organs are arranged near the margin of the scales. 



