xxxiii, '22] ENTOMOLOGICAL NEWS 317 



left side in Cacoduuts. Berlese's organ has been supposed to be an 

 organ of copulation, receiving the spermatozoa direct from the male 

 and passing them on to the body cavity, whence they reach the oviduct 

 and the ova. In the Clinocoricl genus Lo.raspis and the nearly related 

 Polyctcnidae no such organ is known. 



Doings of Societies. 



Entomological Section, The Academy of Natural Sciences of 



Philadelphia. 



Meeting of January 26, 1922. Five persons present, Dr. Skinner pre- 

 sided. 



COLEOPTERA. A specimen of the sweet potato weevil, Scylas fonni- 

 carius, from Hayti was presented by Mr. Kisliuk. 



ORTHOPTERA. Mr. Rehn made a few remarks on two Cuban species 

 of the genus Etirycotis, and followed this by commenting upon the num- 

 ber and distribution of the West Indian species of the genus Epilampra, 

 with particular reference to those of Hispaniola. 



Meeting of March 23, 1922. Eleven persons present, Vice-director 

 R. C. Williams presided. Alessrs. John C. Hollinger, R. H. Hutchison 

 and Arthur D. Whedon were elected members. 



Mr. Rehn gave an interesting account of the collecting trip he made 

 last summer with Mr. Hebard in the western United States. 



DIPTERA. Mr. Cresson exhibited a collection of named Diptera from 

 the East Indies, which he said would make a valuable addition to the 

 collection. Tt contained more than 100 species new to our series. Air. 

 Rehn moved that the Conservator approve the purchase by the Academy 

 or the Section for the sum of $25.00. Carried. 



Mr. Hornig mentioned the late appearance of mosquitoes this season. 

 He noted for the first time the appearance of Cnlcx canadcnsis the day 

 before. 



Meeting of May 26, 1922. Nine persons present, including Dr. J. M. 

 Aldrich, U. S. National Museum, visitor. Director Philip Laurent in 

 the chair. 



DIPTERA. Mr. Cresson reported the purchase by the Academy of the 

 collection of Diptera to which attention of the Section was called at tin- 

 last meeting. 



Dr. Aldrich gave an interesting account of his trip to Alaska the pre- 

 ceding summer. He spoke of the present accessibility of the country, of 

 the climatic conditions in the interior as so different from those of the 

 oia-tal reL'imis, which necessarily have much influence on the insect 

 fauna. He spoke of the similarity of the flora and insect fauna with 

 tin isc ,if northern Minnesota and southern Canada. Regarding the 

 Diptera, he said there was an abundance of species of the Drosophilidae 



