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-455, Biological Laboratories, Divinity Ave., Cambridge. 
Entomologists visiting Boston are cordially invited to attend. 
FOR SALE 
The Ants of North America, by Professor Wm. S. Creighton. 
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. 
