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 Librarian of the Museum of Comparative Zoology is 
offering for sale a limited number of incomplete sets of the ‘ ‘ Con- 
tributions from the Entomological Laboratory of the Bussey 
Institution. ’ ’ 
At present, there are six volumes available of the original eight. 
Each of these sets includes reprints of about 200 entomological 
papers which appeared in various entomological and zoological 
journals. published during the period from 1909 to 1929. All but 
one of the volumes are bound in red buckram. They are priced 
at $10.00 for the set of six volumes, or $2.00 for a single volume, 
f.o.b., Cambridge, Massachusetts. 
Orders should be addressed to the Librarian, Museum of Com- 
parative Zoology, Harvard University, Cambridge, Mass. 
The Cambridge Entomological Club has for sale reprints of 
articles published in Psyche between 1910 and 1920. A list of 
articles available can be obtained from the Editorial Office 
of Psyche, Biological Laboratories, Divinity Ave., Cambridge, 
Mass. 
