248 THE INSECTS 



Reference Books 

 elementary 



Sharpe, A Laboratory Manual jor the Solution of Problems in Biology. Airerican 



Book Company. 

 Comstock, J. H., Insect Life. D. Appletou and Company. 

 Davison, Practical Zoology. American Book Company. 

 Howard, L. 0., The Insect Book. Doubleday, Page, and Company. 

 Hunter, S. J., Elementary Studies in Insect Life. Crane and Company. 

 Needham, Outdoor Stiidies. American Book Company. 



ADVANCED 



Comstock, J. H., An Introduction to Entomology. Comstock Publishing Company. 

 Emerton, The Structure arui Habits of Sjyiders. Knight and Millctt. 

 Kellogg, V. L., American Insects. Henry Holt and Company. 



