CAMBRIDGE ENTOMOLOGICAL CLUB 
A regular meeting of the Club is held on the second Tuesday 
of each month (July,, August and September, excepted) at 8:00 
p.m. in Room B-155, Biological Laboratories, Divinity Ave., 
Cambridge. Entomologists visiting Boston are cordially invited 
to attend. 
FOR SALE 
The Ants of North America, by Professor Wm. S. Creigh- 
ton. Published in April, 1950, as volume 104 of the Bulletin of 
the Museum of Comparative Zoology, with 585 pages and 57 
plates. Price $10.00 (postpaid). Send orders to Museum of 
Comparative Zoology, Harvard College, Cambridge, Mass. 
