160 THE SILK WORM. 



first feed of one hundred and fifty pounds, and the last 

 of two hundred and ten pounds. 



" 28th day. This day the worms should have 

 nine hundred and seventy-five pounds of picked 

 leaves, divided into five feeds, the last the largest. 



" 29th day. The worms will require this day, 

 nine hundred pounds of well sorted leaves. The 

 first meal should be the largest, and those following 

 should diminish. Should there be any intermediate 

 meals wanted, they must be given as before. 



" 30th day. The worms this day must have six 

 hundred and sixty pfounds of well sorted leaves. 

 The proportion of leaves must diminish, as the ap- 

 petite of the worms decreases much. The food 

 must, as usual, be divided into four messes. The 

 largest meal given first, and gradually diminishing. 

 The first meal should be two hundred and ten 

 pounds. 



u 31st day. The worms this day need four hun- 

 dred and ninety-five pounds of leaves, which must 

 be distributed as it may be wanted. 



" 32d day. This last day they attain perfection, 

 which may be ascertained by the following direc- 

 tions : 



"1st. When on putting some leaves on the wick- 

 ers, the insects get upon the leaves without eating 

 them, and rear their heads as if in search of some* 

 thing else. 



"3d. When, on looking at them horizontally, the 



