Nov., '04] ENTOMOLOGICAL NEWS. 319 



during a moist warm evening in mid-summer. The swarm 

 consisted almost entirely of ? $ , and next morning the ground 

 was covered with the dead insects which had extruded the 

 contents of their ovaries. The abdomen had two vaginal open- 

 ings and a large egg mass had been extruded through each. 

 Each mass contained bj- estimation some 5-6000 eggs. 



Mr. Franck stated that at Altoona, Penna., similar insects 

 occurred in such numbers as to form a layer many inches in 

 depth and prevented the running of railroad trains. 



Mr. SchaefFer found these flies so numerous at night at 

 Brownsville as to exclude other insects from the lights. 



Messrs. Doll and SchaefFer spoke of the rapid succession of 

 insect broods noticed by them in Texas. Although there 

 were comparatively few species of Lepidoptera a new genera- 

 tion appeared each month. 



Professor Smith mentioned an experience with mosquitoes at 

 Atlantic City, N. J. While occupying a room on an upper 

 hotel floor he observed that no mosquitoes entered through the 

 open windows, but did enter through the transom when that 

 was left open. He also found the insects on a cafe ceiling 

 below, in large numbers. On investigation he discovered that 

 the hotel was constructed on piles, and that beneath the build- 

 ing was a pool in which the mosquitoes bred and flew upward 

 through the elevator .shaft. He had also found mosquito 

 larvae numerous in sewage drains in Central Park. 



The death of Mr. A. Radcliffe Grote having been announced, 

 Mr. Graef and Dr. Call were appointed a committee to prepare 

 suitable resolutions thereupon. 



November 5 , ipoj. — Twenty-three persons present, the Pres- 

 ident in the chair. Messrs. Engelhardt and Call were appointed 

 a committee to prepare a suitable acknowledgement to Mrs. 

 Franck for her share in the entertainment of the Society. 



Dr. Zabriskie exhibited a hinged double case of his own 

 invention for the preservation and exhibition of galls. One 

 lid was .slightly rabbeted in the other and kept closed by two 

 hooks, the label pasted on the back is cut in two to facilitate the 

 opening of the case. Six cards were laid in each side filling 

 the entire surface with the exception of a half-inch space 



