XVI BIOLOGICAL SOCIETY OF WASHINGTON. 



Capt. J. W. Collins, under the title SOME NOVEL FACTS IN 

 THE NATURAL HISTORY OF THE CODFISH, described certain curi 

 ous variations in the species, and exhibited several articles found 

 in the stomachs or imbedded in the flesh. The most peculiar of 

 these was a small hand-made knife of curious workmanship. 



Dr. C. Hart Merriam described A NEW SPECIES OF MOUSE 

 FROM NEW MEXICO (HESPEROMYS ANTHONYI).* 



ONE HUNDRED AND EIGHTH MEETING, April 2, 1887. 



The Society met for the first time in the Assembly Hall of the 

 Cosmos Club. The President occupied the chair, and thirty per 

 sons were present. 



Dr. Theobald Smith described the QUANTITATIVE VARIATIONS 

 IN THE GERM LIFE OF POTOMAC WATER DURING 1886. 



Dr. Edward Eggleston made an interesting communication, in 

 the form of queries, addressed to the members of the Society, re 

 specting CERTAIN PLANTS AND ANIMALS KNOWN TO THE FIRST 

 COLONISTS OF NORTH AMERICA. Many replies were obtained. 



Prof. O. T. Mason exhibited and described a large series of 

 REPRESENTATIONS OF ANIMAL LIFE IN ESKIMO ART. 



Mr. F. W. True gave an account of THE BLACKFISH OF OUR 

 SOUTHERN WATERS. 



ONE HUNDRED AND NINTH MEETING, April 16, 1887. 



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



Mr. W. H. Dall described some RECENT GEOLOGICAL EX 

 PLORATIONS IN SOUTHWESTERN FLORIDA,! made by himself. 

 The observations were discussed by Mr. G. K. Gilbert and Dr. T. 

 Sterry Hunt. 



Dr. H. G. Beyer spoke upon THE ACTION OF CAFFEINE UPON 

 THE KIDNEYS. 



* 1887. These Proceedings, iv, pp. 5-8. (Extras issued April 15, 1887.) 

 f 1887. DALL, WILLIAM H. Notes on the Geology of Florida. <Amer. 

 Tour. Sci., xxxiv, pp. 162-170. 



