92 JOURNAL OF THE [july, 



Mr. Dudley was requested to repeat this Paper, with the illus- 

 trating exhibits at a subsequent meeting of the Society. 



Dr. Paul Hoffman made some interesting remarks upon the 

 " white-ants " of India. 



Dr. Frank D. Skeel exhibited photomicrographs of sections 

 of chalcedony and silicified wood, taken by lamp-light with an 

 inch objective of his own grinding, and showed some prominent 

 structural characters, photographed by polarized light. The 

 mineral sections from which the photographs were taken, were 

 ground by Mr. J. D. Hyatt. 



Meeting of March 7th, 1890. 



The President, Mr. P. H. Dudley, in the chair. 



Twenty-one persons present. 



Dr. Samuel Lockwood read a Paper, entitled " Fungi Affect- 

 ing Fishes. An Aquarium Study. First Paper — Saprolegnia." 

 This Paper is published in the present number of the Journal, 

 p. 67. 



The subject was also discussed by Messrs. Dean, Hoffman, 

 Leggett and others. 



Meeting of March 2ist, 1890. 



The President, Mr. P. H. Dudley, in the chair. 



Twenty-five persons present. 



Mr. Charles S. Shultz announced the death of Mr. Samuel 

 Wilde, a Member of the Society. 



Dr. Samuel Lockwood read a Paper, entitled " Fungi Affect- 

 ing Fishes. An Aquarium Study. Second Paper — Devcva.'" 

 This Paper was illustrated by numerous microscopical prepara- 

 tions, and is published in the present number of the JoiAnal, 

 p. 79. 



objects exhibited. 



1. Wood-sections, prepared by Mr. Romeyn B. Hough : by 

 Charles S. Shultz. 



2. Diatoms, 384 forms from the " New Santa Monica Find," 

 prepared by MoUer ; by E. A. Schultze. 



3. The Koch and Woltz microscopical lamp : by Geo. E. F. 

 Haas. 



