FOR SALE 
Classification of Insects, by C. T. Brues, A. L. Melander 
and F. M. Carpenter. Published in March, 1954, as vol- 
ume 108 of the Bulletin of the Museum of Comparative 
Zoology, Avith 917 pages and 1219 figures. It consists of 
keys to the living and extinct families of insects, and to 
the living families of other terrestrial arthropods; and in- 
cludes 270 pages of bibliographic references and an index 
of 76 pages. Price $9.00 (cloth bound and postpaid). Send 
orders to Museum of Comparative Zoology, Harvard Col- 
lege, Cambridge 38, Mass. 
