146 THE HOUSE I LIVE IN. 



large or numerous. There are but two of 

 them, and those not so large as a hen's egg. 

 They are set in the front of the house, in the 

 cupola. 



Both of them open and shut rise and fall, 

 have the curtains drawn or removed, and the 

 blinds opened or closed at the same instant. 

 Some windows are only made to be raised, 

 that is, moved, in one direction ; but these 

 move every way, and with great ease and ra- 

 pidity. It is done by means of pulleys, &c. 

 The curtains may be drawn or removed almost 

 with the swiftness of lightning, and hundreds 

 of times in a minute. 



SITUATION or THE EYE. The truth is that 

 the human eye is almost as round as an apple, 

 but not quite ; for it projects out a little at the 

 fore part. In an adult person, it is not more 

 than an inch in diameter, and lies deep in a 

 cavity in the skull. It is not fixed, like the 

 eyes of some animals ; but can be made to roll 

 about, upward, downward and sideways. For 

 this purpose, it does not adhere closely to the 

 bone, but lies on a soft bed of fat substance, 

 and has many muscles or cords fastened to the 



