- 15 — 



Korallen weiden beschrieben: Discina Gallaheri p. 11*2, 

 Producta gracilis p. 112, P. duplicostata , Morbiltiana p. 

 113, P. curtirostra , dolorosa, concenlrlca Hall p. 114, 

 P, semireiicnlala Fl. , Cooperensis Swall. , Clionetes pul- 

 chella p. il5, Ch. Illinois ensis , Logani , Orthis Michelini 

 p. 116, 0. ßava , Streptorhynchus sp , Spirigera Missou- 

 riensis p. 117, Sp. biloba, Ohiensis, Spirifera centronata 

 p. 118, Sp. Sillana, Spiriferina Clarksüillensis p. 119, Sp. 

 binacuia, Rhynchonella? tetraptyx p 120, Rh. heteropsis, 

 persiniiata p i2ä, iinica, micropleiira, Hiibbardi, Sageriana 

 p. 122, Cenfronella Allei , Julia p. 123, Ostrea paiercula, 

 Pterinea crenisiriaia , spinalata p. ! 24 , Pernopecten (nov. 

 gen. p. 125) liniae formis , limatus . Shinnardanus , Pinna? 

 Marshallensis p. 126, lUyalina Lowensis , Sanguinolites 

 strigatus p. 127, concentrica, Eantiibalensis , Ctenodonta 

 llvbbardi p. i28, Sangninolaria rostrata p. 129, Comilaria 

 Neicberryi , Bellerophon Whiitleseyi p. 130, Metoptonta 

 nndata, Pleurotomaria quinquesulcata p. 13! , Cyrtoceras 

 Rochfordensis p. 132, Pkilüpsia Doris, Rockfordensis 

 p 133. 



Oct. 3i. Beinerkiingen über amerikanische Fossilien; von 

 Conrad. Neu: Ostrea Tuomeyi p. 184. 



Dec. 5. Beitrage zur Paläontologie von Illinois und 

 anderen Westsiaaten; von Meek und Worthen. S. 245— 

 273. Neue Arten: Lithophaga? pertenuis , L? lingualis 

 p. 245 , Modiolopsis perovata , Pleurophorus subcostatus 

 p. 246 , PL ? angniatvs und costatiformis p. 247 , Gram- 

 mysia? rhomboidalis p. 248, Conocardium obliquum, Ed- 

 mondia? peroblonga p. 249, Chaenomya? rhomboidea und 

 kybrida p. 250, Sedgwickia subarcuata, Isonema depressa 

 p. 25 i , Pleurotomaria (Murchisonia ?) meta , Conularia 

 multicostaia p. 252 . C. subcarbonaria und Whitei p, 253, 

 Tentacnlifes tenuistriatus und Oswegoensis p 254, T. Ster- 

 ling ensis , Orthoceras crebristriatvni p. 255, 0. subaciitnm, 

 Jolietense, nobile p. 256, 0. Winchellii, Phragmoceras 



