78 



ORiaiNAL Names. 



Vol. II, page 



Atrypa lamellata 329 



" naviformis 76 



" neglecta 70-274 



" nitida.. _.. 268 



" nitida, var. oblata . _ 269 



" nodostriata 272 



" nucleolata 328 



" oblata _ 9 



" obtiisiplicata 279 



" planoconvexa 75 



" plicata 10 



" plicatella? 279 



" plicatula 74 



" quadricostata 68 



" reticularis 72-270 



" robusta 71 



" rugosa.. 271 



" 78 



Avicula emacerata • 83 - 282 



" limseformis 332 



" 1 orbiculata 284 



" rhomboidea 84 



" securiformis » 331 



" subplana 283 



" subrecta 331 



" undata 283 



Bellerophon auriculatus 334 



Eeyricliia lata 301 



" symmetrica 317 



Bronteus niagarensis 314 



Bucania angustata 347 



" (?) bellapimcta 93 



" stigmosa 92 



" trilobata 13-93 



" 334 



Bumastis barriensis . . 299-302 

 Buthotrephis gracilis „. 18 



[Assembly 



CHANaED Names, Eemaeks, etc. 



Rliynclionella lamellata. 

 Merista?* naviformis. 

 Rhynchonella neglecta. 

 Merista nitida. 



M. 



nitida, var. oblata. 



Merista nucleolata. 

 Merista oblata. 

 Rliynclionella obtusiplicata. 

 Leptocoelia planoconvexa. 

 Eliynclionella plicata. 

 R. plicatella. 



Allied to Leptocoelia. 



Triplesia ? quadricosta. 

 Rliynclionella robusta. 



Illsenus barriensis. 



* This species, and some others of the Clinton and Niagara groups, differ somewhat 

 from true Meristm ; and should these differences prove of generic importance, I pro- 

 pose for them the name Meristdla. 



