THE WINDOWS. 155 



branes, vessels, &c., connected with this won- 

 derful organ, but the limits of a work like this 

 forbid. 



REFLECTIONS. I must not close this chap- 

 ter without noticing the place in which the 

 eye is situated. Some animals as the snake, 

 tortoise, &c. have the eyes set in the side, or 

 rather in the tipper part of the head, precisely 

 where they are wanted ; for they have no 

 occasion to look downward. In general, those 

 animals that cannot move the eye without 

 moving the whole body, have this organ more 

 prominent, and more to the side. 



But man, without moving his body at all, 

 can move his head in such a manner that 

 though the eyes are fixed in the front part of 

 the head, and in a deep socket, he can yet 

 look in every possible direction. All things 

 considered, his eyes are as happily placed as 

 those of any other known animal : and they 

 are much better guarded from injury. Their 

 deep bony socket, the high ridge around it, 

 the eyebrows, the eyelids, the eyelashes, and 

 lastly, reason to direct us and enable us to 



