112 ON REARING, &c. 



all at once. If they do not change color, and do not hatch 

 all at once, it is because the rules prescribed to preserve the 

 eggs, have riot been strictly followed. 



SAME WORK. 



v ;. i _ i f ,? ....., : , > -.'-, r/ ? 



In the work entitled Thsin-kouan-tsan-chou, we read : 

 " The first day of the last moon the eggs must be col- 

 lected and watered with cow's urine ; afterwards they must 

 be washed with clean water. It must be so done that the 

 sheets of paper covered with eggs be not torn. (An author 

 advises to strengthen them with threads of cotton or silk, 

 basted at distances according to their length and breadth.") 



