X PREFACE. 



the American Entomological Society, the Society of Natural 

 History at Boston, the Secretary of the Massachusetts Board 

 of Agriculture, the Essex Institute, the Smithsonian Institu 

 tion, the Secretary of the Maine Board of Agriculture, and 

 to Mr. R. Hardwicke, the publisher of "Science-Gossip," 

 Prof. Sanborn Tenney, the author of "A Manual of Zo- 

 ology," and to his coeditors of the "American Naturalist," 

 for the use of many of the cuts, a list of which maj^ be 

 found on the succeeding pages. 



Peabody Academy of Science, 



Salem, Nov. 10, 1869. 



