SILK WORMS. 155 



hatching, occupy a space as large as two pieces of money, 

 will cover twenty-five frames. When they are all torpid, 

 the bed of chopped straw must be removed ; they will then 

 fill thirty frames. 



To remove and separate the silk worms, in a proper 

 manner, it must be done with promptitude and tenderness. 

 They must be separated from one another, and an equal 

 space left between them, for fear they should wet them- 

 selves, and reciprocally injure one another. The silk worms 

 evacuate freely ; for that reason they must, absolutely, be 

 separated. When they have deposited a large quantity of 

 dung, it is necessary to remove them to other frames. If 

 they are not separated they will be too much crowded. If 

 the frames are not changed, they will be injured by the 

 abundant humors which they void. For that reason, these 

 two operations ought to be performed with great celerity. 



The silk worms are weak and delicate beings ; they suffer 

 much from being rudely handled. When they are small, 

 they must be treated with great care and a kind of affec- 

 tion ; but when they have become large, there are few who 

 pay any attention in removing them. They are heaped 

 together, pell mell, for a long time, and they are tumbled 

 about, or let fall. This defect of care and precaution 

 causes their diseases, and often destroys them ; therefore, 

 they should be touched with a light hand, and distributed 

 upon the frames at an equal distance from one another. 



SANG-TSAN-TCHI-CHOUE. 



The silk worms of four moultings are of a different spe- 

 cies ; they are raised in the same manner, as the Spring silk 



