seems absurd to many. To another generation of 

 naturalists it must, perhaps, be left to decide whether 

 to attempt the one is more nnphilosophical than to 

 attempt the other. 



Most of the cuts have already appeared in the "Guide 

 to the Study of Insects" and the "American Naturalist," 

 where their original sources are given, while a few 

 have been kindly contributed by Prof. A. E. Verrill, 

 the Boston Society of Natural History, and Prof. C. V, 

 Riley, and three are original. 



Salem, June, 1873. 



