1922] Proceedings of the Cambridge Entomological Club. 
125 
are of necessity imperfect and must be revised and republished as 
knowledge improves. 
Mr. R. Heber Howe spoke of the genus Gompus in New Eng- 
land. There are 22 species but only two, exilis and spicatus , are 
common. Other species, usually rare, occur at some seasons in 
great abundance owing perhaps to the period of two or three years 
passed in development. 
Mr. J. H. Emerton gave a short account of the meetings of 
the American Association for the Advancement of the Science 
at Toronto during Christmas week. 
At the meeting of February 14 Mr. O. E. Plath continued 
his account of the habits of Bombus begun at the September 
meeting, by reading a paper on the genus Psithyrus and its 
habits in the Bombus nests which he had under observation the 
past summer. 
The accepted design for a Club Seal was shown and now ap- 
pears on the cover of Psyche. 
