14 



Cincimiati Society of Natural History. 



267 Margaritana coini)lanata, 



Barnes ,,...(). 



26S '■'• confragosa, Say 111. 



269 " dchiscens, '•' O./lenn. 



270 "• falnila, Lea, "' 



'' hildrethiana. Lea ..Ind. 

 holstonia, *' Tenn. 

 margarilifera, Linn. Nev. 



272 

 273. u 



274 Margaritana mavginata, Say 



. . .1^. . , . , ^ (). 



275 '' minor. Lea Tcnn. 



276 '' monodonta, Say. ...,.(). 

 " (juadrata, Lea . . ..Tenn, 



278'' raveneliana, Lea. .N. C. 

 279 '^ rugosa, Barnes (). 



The following donations were announced. From S. S Scoville, 

 one Salamander ; from Mrs. Dr. Llazard, one Circum-Polar Map ; 

 from Hon. ('has. E. Brown " Memoirs of National Academy of 

 Sciences" Vol. in. part i, and "Statistics and Technology of the 

 Precious Metals ;" from Signal Service officer, " Monthly Wea- 

 ther Review," October, 1885 ; from Director of Bureau of Ethnol 

 ogy, " Third Annual Report, for i88r-'82.'" 



Meeting of February 2, 1886. 

 Presideni' HARPERin the chair and fourteen members present. 



The following papers were read by title and referred to the 

 Publishing Committee. 



REMARKS ON SOME FOSSILS OF THE CLNCINNATI 



GROUP. 



By Chas. L. Farer. 



Genus Plumulites, Barrande; Turrilepis Woodward. 



The fossils to which the above names were given, were for many 

 years supposed to belong to the familyChitonidas, and were so referred 

 and described by M. L. de Koninck (Bull, de I'Acad. Royal des 

 Sci.,1857), but in the Quart. Jour. Geol. Soc. London, 1865, p. 486, 

 Mr. Woodward refers then to the Cirripedia, under the generic 

 name of Turi-ilcpis,'t\\tvQ proposed, giving very clear reasons for 

 considering them as Cirripedes and not Chitons. 



Li the supplementary volume of the Crustacea of the Silurian 

 System de La I'ohemia, the author (Barrande) describes several 

 species under the generic name of /Y//w/////('.s-, not recognizing Wood- 

 ward's genus, as its characters were not defined or described by the 

 author. The general form of the body appears to have been elong- 

 ate-ovate, or elliptical, a. id is composed of four or more ranges of 



