THE APHIDM. 



381- 



the same, and so on until the ninth or tenth. Then the imperfect 

 females have inside buds, which, when born, are not miniatures of 

 their mother, but resemble the parents which laid the eggs the year 



COCHINEAL INSECT. (CocaiS Cacti.) 



before. These grow rapidly, and soon fly, and lay eggs in their 

 turn. It is very evident that simple arithmetic can show that one 

 plant louse might produce a quintillion during one year. It is 

 easy then to understand the occurrence of enormous multitudes 



