94 
Psyche 
[April 
the abdomen a spot covered with brilliant orange hairs from 
which comes a secretion attractive to ants. The Ptilocerus 
stands near moving ants and offers them this secretion which 
has a narcotic effect. If sufficient is taken the ant soon be- 
comes helpless and the soft parts are eaten by the Ptilocerus. 
Miss Butler exhibited her collecting coat made of canvas, 
without collar or sleeves, containing 47 pockets of various sizes 
and shapes. 
C. W. Johnson described a honey bee with a single eye in 
the center of the head in place of the usual pair, which was shown 
by Mr. Du Porte of MacDonald College, Canada at the recent 
meeting of the Entomological Society of America. 
At the Febuary meeting, C. T. Brues gave an account of a 
new, minute hymenopterous insect from Sumatra. It has wide 
and thin mandibles, concave on the inner side like a pair of 
clam shells and a long abdominal appendage which may be either 
an ovipositor or a male copulatary organ. 
C. W. Johnson told of various new discoveries among the 
Diptera, especially in the family Syrphidse which he had latley 
reviewed with Mr. Curran of Ottawa. 
J. H. Emerton exhibited on the screen a large number of 
lantern slides of spiders and cobwebs including examples of all the 
principal families represented in New England. 
C. V. Blackburn exhibited some butterfly jewelry of original 
designs made in Italy. 
