XX Biological Society of Washington. 



Van Deman, Mr. Simpson, Mr. Hasbrouck, Mr. Fernow, and 

 Mr. Brunk. 



April 16, 1802. 193d Meeting. 



The President in the chair and 19 persons present. 



COMMUNICATIONS. 



C. AV. Stiles : " Notes on Parasites : Tmnia ovilla in its Rela- 

 tion to Bkxnchard's Classification."^ Discussed by Professor 

 DoRAN, Dr. Gill, and Dr. Stiles. 



Frederick V. Coville : " Flora of the High Sierra Nevada of 

 California." Discussed by Mr. Fairchild and Mr. Mann. 



Frederick V. Coville : " New Plants from C'alifornia, Nevada, 

 Utah and Arizona."^ Discussed by Dr. Merriam, Mr. Fairchild, 

 Mr. White, and Mr. Coville. 



Ervv^in F. Smith : " A Review of Baillon's Botanical Diction- 

 ary." Discussed by Dr. Gill, Professor Seaman, and Dr. Smith. 



J. N. Rose : " Mexican Leguminosse, with Notes on Dr. 

 Palmer's Collection. 



April 30, 1892. 19ith Meeting. 



The President in the chair and 48 persons present. 

 The proposed new Constitution and By-Laws, recommended 

 by the Council for ado^^tion, were read. 



communications. 



W J McGee: " The Distribution of Land, Water, and Ice on 

 This Continent in Later Geological Periods." Discussed by Dr. 

 Merriam, Mr. Gilbert, and Mr. McGee. 



Erwin F. Smith : " The Relations of Plants to the Soil." Dis- 

 cussed by Mr. Fairchild. 



May U, 1892. 195th Meeting. 



The President in the chair and 23 personcs present. 



communications. 



W. H. Seaman : " The Photogenic Organs of Fire Flies." Dis- 

 cussed by Mr. Mann, Dr. Gill, Dr. Merriam, and Dr. Theobald 

 Smith. 



^ Notes sur les Parasites: Rur le T;enia j^iardi. Coinpt. rend. d. 1. Soc. 

 d. Biologie, Paris, 1892, ])p. 004, fiOo (note preliiiiinaire). 



^ Description of new ]ilants from Southern California, Nevada, Utah, 

 and Arizona. Proc. Biol Soc. Wash., vol. vii, May 18, 1892, pp. 65-80. 



