XLIV BIOLOGICAL SOCIETY OF WASHINGTON. 



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

 On MicROcocci.'i^ 



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, Paralichtliys dentatus, and si)oke 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 i6, 1S83. 



The President occupied the chair. Forty-five members were 

 present. 



Prof. L. F. Ward read a paper on Mesozoic Dicotyledons, f 



Mr. G. D. Walcott presented a communication on Fresh-water 

 Shells from the Lower Carboniferous, illustrating his remarks 

 with specimens. I 



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 

 cxphjrer in the Up[)er Missguri Valley, illustrative of The Per- 

 sistence OF 'J'HE Domestic Insi'inct in the Cat.§ An animated 



^Steunbkiu;, Gicorgk M. Bacteria. | By | Dr. Antoine Magnin, | Licen- 

 tiate of Natural Science, "■•' ••' * | and | George M. Sternberg, M. L)., V . \K. 

 M. S., I Major and Surgeon, U. S. Armv ; Member of the Biological Society of 

 Wash- I iiigtoii ; late member of the Havana Yellow I'ever Gimmission of the | 

 National Hoard of Health; | Corresponding Member o( the | Epidernujlogical 

 Society of Loutlon, etc. | New York : | William Wood & Company, | 56 and 5cS 

 Lafayette Placi^. | 1884. 8vo. pp. XVHI, 9-494. 



f 1884. Ward, Lester F. Mesozoic Dicotyledons. <^Am. Jour. Sci. and 

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

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



% 18S3. Walcot'J", Cil\R1.es D. Fresh-water Shells from the Paleozoic Rocks 

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



2 1884. WuiTE, Chari.ics a.. The Permanence of tl'.e Domestic Instinct in 

 the Cat. <[American Naturali.st, XVIII, pp. 213-14, 1884. 



