1889.] ' NEW-YORK MICROSCOPICAL SOCIETY. 45 



He also remarked upon the curious manner of oviposition by 

 the long stinged parasites, Thalessa atrata and T. lunator, which 

 remarks were supplemented by interesting items of information 

 by Mr. Beiittenmuller. (See also Prof. J. A. Lintner in Fourth 

 Rep. N. Y. State Entomologist (1888), p. id.) 



Mr. Stephen Helm said, that he kept the specimens exhibited 

 by him alive in an aquarium for months in succession ; and 

 that it will be found that shading an aquarium tends to prolong 

 the life of its inhabitants. 



Mr. Helm also said, that he had lately found Volvox globator 

 in exceeding abundance in the stream, at the pumping station 

 of the Water Works, Flatbush, Long Island. 



Meeting of December 7th, 1888. 



The President, Mr. Charles F. Cox, in the chair. 



Fifty-five persons present. 



Mr. Gilbert H. Crawford, and Prof. Louis H. Laudy, Ph. D., 

 were elected Resident Members of the Society. 



The President appointed the following Committee on the 

 Annual Reception : Walter H. Mead, J. D. Hyatt, and William 

 Wales. 



The President also appointed the following Committee on 

 Nomination of Officers for the ensuing year : F, W. Devoe, F. 

 W. Leggett, and George F. Kunz. 



objects exhibited. 



1. Mycelium of the fungus, Agaricus cavipanella., on White 

 Cedar : by P. H. Dudley. . 



2. The Beetle, Zopherus Mexicanus, Sol. : by F. W. Devoe. 



3. Metal chips cut by the same : by F. W. Devoe. 



4. Slides of Diatoms, arranged by Prof. Tooms : by K. M. 

 Cunningham. 



Mr. Cunningham explained his method of mounting diatoms, 

 and donated diatomaceous earth, from the new Railroad cutting 

 in Richmond, Va,, for distribution among the members. 



According to the announcement in the Programme, a Paper 

 was read by Dr. N. C. Husted, entitled " Hay-Fever : its treat- 

 ment physiologically and pathologically considered." This 

 Paper was illustrated by a colored diagram of nerves of the 



