Fig. 63. Photomicrograph of the fovea centraHs of the chameleon. X 40. 



Fig. 64. Photomicrograph of the fovea centralis of the marmoset. X 80. 



Fig. 65. Photomicrograph of the fovea centralis of the rhesus monkey 

 (Macaca mulatta). X 56. 



Fig. 66. Photomicrograph of the human fovea. X 40. 

 96 



