JOURNAL 



OF THE 



kxq Wioxlx Hutomolrrgkal Satiety. 



Edited by William Morton Wheeler. 



Publishes articles relating to any class of the subkingdom Arthropoda, subject 

 to the acceptance a( the Publication Committee. Original communications in this 

 field are solicited. 



PROCEEDINGS OF THE NEW YORK ENTO- 

 MOLOGICAL SOCIETY. 



Meeting of May 21, 1907. 



Held at the American Museum of Natural History. President C. W. Leng in 

 the chair, with nine members present and one visitor. 



The proceedings of May 7 were read and approved. 



Dr. Southwick read the report of the committee appointed to draft a document 

 to be presented before the New York Academy of Sciences and its friends to com- 

 memorate the birthday of Linnreus. On motion of Mr. Bischoff the committee was 

 discharged. 



Mr. W. J. Davis of the field committee reported that an outing at Overbrook, 

 N. J., had been arranged for Decoration Day. 



Mr. Engelhardt proposed Mr. Robert P. Dow, 741 Carroll St., Brooklyn, as an 

 active member. On motion of Mr. Roberts the by-laws were suspended and Mr. 

 Dow was elected on a single ballot cast by the secretary. 



Mr. Dow moved that the librarian determine the number of volumes in the 

 library which needed binding and report the estimated cost at the next meeting of 

 the society. Seconded and carried. 



Mr. Davis exhibited all of the species of tree crickets occurring in the vicinity 

 of New York and made some remarks concerning the more unusual forms. 



Mr. Roberts exhibited all of the Haliplida; occurring in the United States except 

 two. In remarking on this family of the aquatic Coleoptera he stated that Crotch's 

 attempt to work up the group had perhaps done more harm than good, as he failed 

 to recognize and appreciate good structural characters and did not differentiate the 

 males and females. Mr. Roberts after considerable study had found good distin- 

 guishing characters between the males and females in the peculiar character of the 

 fore tarsi of the former sex. He had also found the prosternal process a good spe- 

 cific character as well as the coxal process. Although in several species the mark- 

 ings seem similar, when taken in connection with the structural characters here men- 



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