Adverlisements 



CAMBRIDGE ENTOMOLOGICAL CLUB 



A regular meeting of the Club is held on the third Tuesday 

 of each month (July, August and September excepted) at 7.45 

 p. M. at the Bussey Institution, Forest Hills, Boston. The 

 Bussey Institution is one block from the Forest Hills Station of 

 both the elevated street cars and the N. Y., N. H. & H. R. R. 

 Entomologists visiting Boston are cordially invited to attend. 



JUST PUBLISHED 



A Key to the Families of North 

 American Insects 



BY 



C. T. BRUES, 



Assistant Professor of Economic Entomology, Harvard University, 



and 



A. L. MELANDER, 



Professor of Entomology, State College of Washington. 



A laboratory guide for courses in systematic entomology, A 

 practical handbook for anyone concerned with the identification 

 of insects. Contains complete tabular keys for the determina- 

 tion of all the families of North American Insects, with citations 

 of representative genera' and of species of economic importance. 

 Includes synonyms correlating the various names applied to 

 families and other groups, a complete index, and a glossary of 

 technical terms. Pronunciation of all names indicated in the 

 text. Over 400 specially drawn figures of representative insects 

 or their anatomical details. 



Large octavo, 146 pages; 427 illustrations. Bound in heavy 

 cloth, $1.50 postpaid. 



For Sale by the Authors, 



C. T. BRUES, Forest Hills, Boston, Mass. 



A. L. MELANDER, Pullman, Wash. 



