[Assembly 



ORGANIC REMAINS OF THE ORISKANY SANDSTONE. 



Original Names. Corrected Names, Remarks, eto. 

 Page 



Atrjpsi elongata 148 Rensselseria ovoides. , 



Atiypa peculiaris 148 Eatonia peculiaris. 



Atrypa unguiformis 149 Orthis hipparionyx, or 



0. unguiformis. 



Deltliyris arenosa 148 Spirifer arenosa. 



ORGANIC REMAINS OF THE ONONDAGA LIMESTONE. 



Astrea rugosa ._ 159 Acervularia rugosa. 



Cyathophyllum _ 160 Cyathophyllum lesueuri, 



Cyathopliyllum diantlius 160 -^- — — 1 



Delthyris undulatus Spirifer undulatus. 



FaVOSiteS alveolaris 157 This species has been referred to Favo- 



sites (Emmonsia) hemispherica oi Yandell & Shumard; but I am not 

 satisfied of the identity, by comparison of specimens whioh I believe to be 

 authentic. 



Favosites fibrosa 159 ■ ? 



Favosites gotlilandica 157 Favosites basaltioa. 



Hipparionyx (Atrypa) con- 



similaris Atrypa reticularis, var. / 



Pentamerus elongata 132 Rensselseria elongata. 



Syringopora 1 160 



ORGANIC REMAINS OP THE CORNIPEROUS LIMESTONE. 



Acroculia erecta 172 Piatyceras erecta. 



Atrypa pri sea 175,198 Atrypa reticularis. 



Atrypa scitula 171 Merista scitula. 



Calymene crassimarginata _ _ 172 Proetus crassimarginata, 



Cyrtoceras undulatum 175 



Delthyris duodenaria 171 Spirifer duodenaria. 



Euomplialus? rotundus 172 Pleurotomaria ? rotunda, 



Ichtliyodorulite 174, . 175 



Odontocephalus selenurus.. 175 Dalmania selenurus. 



Orthis lenticularis 175 



Orthonychia 172 Piatyceras (OrthonycMa) subrectum. 



Paracyclas elliptica 171 Lucina elliptica 



= ? L. proavia. 

 Pleurorhyncus trigonalis 171 



Pterinea cardiiformis 172 Megambonia cardiiformis. 



Strophomena acutiradiata .. 171 Chonetes acutiradiata. 



Strophomena crenistria 171 Strophodonta crenistria. 



Strophomena lineata 175 Chonetes lineata. 



Strophomena undulatum 175 Strophomena rugosa, var. 



Tentaculites scalaris 172 



