1^2 JOURNAL AND PROCEEDINGS. 



Genera and Species. Aidhority and Reference. 



Lingula ingens oblonga Conrad, 1839, Ann. Rep. N. Y. 



lamellata Hall, 1852, Pal. N. Y., Vol. II. 



LAMELLIBRANCHIATA. 



Avicula emacerata . Conrad, 1849, Jour. Nat. Sc. 



Pterinea brisa Hall, 1867, 20th Rep , N. Y. 



Posidonomya rhomboidea Hall, 1852, Pal. N. Y., Vol. II. 



Modiolopsis subulata , " " " 



Avicula undata „ . . . . 



" subplana • 



GASTEROPODA. 



Plalyostoma Niagarensis Hall, 1852 



Loxonema leda Hall, 1867, 20 Rep. N. Y. 



Pleurotomaria clipeiformis Spencer, 1882, Niag. Fossils 



Platyostoma plebea Hall, 28th Rep. Pal. N. Y. 



Pleurotomaria solarioides . . Hall, 1852, Pal. N.Y., Barton and Guelph 

 Murchisonia 3 species 



PTEROPODA. 



Conularia Niagarensis Hall, 1852, Pal. N. Y., Vol. II. 



" magnifica Spencer, 1879, Can. Nat. 



" rugosa " 1852, Niag. Foss. 



CEPHALOPODA. ^ 



Orthoceras virgatum Sow., 1839, Murch. Sil. Syst. 



" annulatum, . Sow., 1818, Min. Conch. 



simulator Hall, 1876, 28th Rep., Pal. N. Y. 



" crebescens " 1867,20th, " " 



" Bartonense Spencer, 1882, Niag. Fossils 



Cyrtoceras reversum " " " 



Lituites Niagarensis " " " 



Cyrtoceras 3 "Ot determined yet 



ANNELIDA. 



Cornulitus flexuosus Hall, 1852, Pal. N. Y., Vol. II. 



" bellastriata Hall 



" species, aUied to Styliola spica " 



" Species undetermined 



