Vin BIOLOGICAL SOCIETY OF WASHHSTGTOlSr. 



Ninety-Second Meeting, March 20, 18S6. 



The President in the chair, and twenty-one persons present. 

 The following communications were presented : • 



Dr. D. E. .Sahnon and Dr. Theobald Smith, Notes on Some 

 Biological Analyses of Potomac Drinking Water. 

 Dr. H. G. Beyer, Remarks on Anti-Pyretics. 

 Dr. W. S. Barnard, The Effects of Kerosene on Animal 

 and Vegetable Life, with exhibition of a fungus that had de- 

 veloped in an emulsion of kerosene and milk. 



Mr. F. H. Knowlton, Additions to, and Changes in, the 

 Flora Columbiana for 18S5.* 



Ninety-Third Meeting, April 3, 1SS6. 



The President in the chair, and twenty-two members present. 



Mr. J. B. Smith read a paper entitled Some Peculiar Sec- 

 ondary Sexual Characters in the Deltoids, and Their 

 Supposed Functions. 



Dr. C. Hart Merriam described a New Subspecies of Gray 

 Squirrel from Central Minnesota.! 



A paper by Dr. R. W. Shufeldt, on Some Early, and as 

 YET Unpublished, Drawings of Audubon, was read by Mr. 

 F. W. True. Photographs of the drawings were exhibited. 



Dr. Frank Baker and Mr. J. L. Wortman spoke upon Recent 

 Investigations into the Mechanism of the Elbow Joint. J 



Ninety-Fourth Meeting, April 17, 1886. 



Prof. Ward, Vice-President, in the chair, and seventeen per- 

 sons present. 



Prof. Theodore Gill described The Characteristics and 

 Families of Iniomous Fishes. 



* 1SS6. These Proceedings, iii, pp. 106-132. 

 t Science, April 16, 1SS6, 351. 



J Embodied in the article, " Elbow-ioint," Wood's Reference Hand-book 

 of Medical Sciences, vol. ii. 



