FOR SALE 
Classification of Insec rs, by C. T. Brues, A. L. Melander and 
F. M. Carpenter. Published in March. 1954. as volume 108 of the 
Bulletin of the Museum of Comparative Zoology, with 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 includes 270 pages of bibliographic references and an index 
of 76 pages. Price S9.00 (cloth bound and postpaid). Send orders 
to Museum of Comparative Zoology, Harvard College, Cambridge, 
Mass. 02138. 
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