AND PERSONALITY 



lives the more prominent the eye. The most prominent 

 feature of a fish is the large eye. So is it, also, with the night 

 animals, especially the owls, the night herons and small 

 lemurs that derive their living at night (Fig. 8). 



FIG. 8. Comparison of eye weights. 



Python 1. 1 2 grams. Eagle 30.96 grams. . 



Elephant 116.15 grams. Lemur 3.70 grams. 



Consider the large sensitive eyes of the line-bred animals, 

 especially the antelopes, and the small eyes of a crocodile, 

 a venomous snake, a turtle, or a porcupine, animals pro- 

 tected by size, poison, carapace, or barb. In the latter 

 the eyes are so dull, so insignificant, that they are hardly 

 noticed, and the small size of the optic lobe in the brain 

 of such animals indicates the low biologic value of sight 

 to them. Thus one sees the development of sense organs 



95 



