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 
BLACK STEEL INSECT PINS 
Trade Mark “Elephant”, the ideal black insect pin. Trade Mark 
“Imperial”, formerly Czechoslovakia. Both types in sizes No. 000- 
7. Also Minuten Nadeln. Request samples and prices from the 
manufacturer: Emil Arlt, Spezialnadelfabrik, Salzburg 2, P. O. 
Box 76, Austria. 
