XLIV BIOLOGICAL SOCIETY OP WASHINGTON. 



Dr. G. M. Sternberg, U. S. A., of San Francisco, read a paper 

 ON MICROCOCCL* 



Dr. E. M. Schaeffer made some remarks upon Manna, in continu 

 ance of those made by Prof. Riley at the previous meeting. He 

 also exhibited specimens of a possibly new variety or species of 

 Ceratophyllum. Dr. T. H. Bean exhibited a curious specimen of 

 a species of flounder, Paralichthys dentatus, and spoke of ARRESTED 

 ASYMMETRY IN FLOUNDERS. 



Prof. L. F. Ward related the result of his investigations of a sup 

 posed deposit of fossil timber on the site of the new " Casino," in 

 process of erection on Connecticut avenue. 



FIFTY-FIRST MEETING, November 16, 1883. 



The President occupied the chair. Forty-five members were 

 present. 



Pro/. L. F. Ward read a paper on MESOZOIC DICOTYLEDONS, f 



Mr. C. D. Walcott presented a communication on FRESH- WATER 

 SHELLS FROM THE LOWER CARBONIFEROUS, illustrating his remarks 

 with specimens.! 



Mr. Frederick W. True exhibited a specimen of THE WEST IN 

 DIAN SEAL, MONACHUS TROPICALIS, recently received by the 

 National Museum, and discussed the history of the specimen and 

 the affinities of the species. 



Dr. C. A. White narrated an incident of his experience as an 

 explorer in the Upper Missouri Valley, illustrative of THE PER 

 SISTENCE OF THE DOMESTIC INSTINCT IN THE CAT. An animated 



* STERNBERG, GKORGE M. Bacteria. | By | Dr. Antoine Magnin, | Licen 

 tiate of Natural Science, * * * | and | George M. Sternberg, M. D., F. R. 

 M. S., | Major and Surgeon, U. S. Army ; Member of the Biological Society of 

 Wash- j ington ; late member of the Havana Yellow Fever Commission of the | 

 National Hoard of Health ; | Corresponding Member of the | Epidermological 

 Society of London, etc. | New York : j William Wood & Company, | 56 and 58 

 Lafayette Place. | 1884. 8vo. pp. XVIII, 9-494. 



f 1884. WARD, LESTER F. Mesozoic Dicotyledons. <Am. Jour. Sci. and 

 Arts, 3d Ser., XXVII, pp. 292-303, 1884; Annals and Mag. Nat. Hist., Lon 

 don, 5th S?r., XIII, pp. 383-396, 1884. 



J 1883. WALCOTT, CHARLES D. Fresh- water Shells from the Paleozoic Rocks 

 of Nevada. <Science, II, p. 809, 1883. 



g 1884. WHITE, CHARLES A.. The Permanence of the Domestic Instinct in 

 the Cat. < American Naturalist, XVIII, pp. 213-14, 1884. 



