BIGSBY PALEOZOIC BOCKS OF NEW YORK. 



333 



Table XIX. {continued). 



Grenera and Species. 



Baphistoma elliptiea t 



lenticularis ... ... 



Ribeiria complanata ... 

 Troehonema latifasciata t . 



lyrata 



tricinctaf 



triporcata 



trochleataf ... ... 



Trochus? caelatulus ... . 



Moorei f 



multitorquatus t ... 

 Turbo? cirrbosus 



tritorquatus t 



Heteropoda. 



Belleropbon aoutus ... . 

 alatus f , 

 bilobatus 

 carinatus 

 dilatatus . 

 expansus 

 Murcbisoni 

 nodosus 

 obtectus 



perturbatus 



subdecussatus 



suleatinus 



Wenlockensis 



Pteropoda. 



Conularia elongataf 



Sowerbyi 



subtilis t 



EccuHompbalus Bucklandi . 



Ijevis ... . 



Scoticus ... . 



Maclurea Logani 



magna ?t , 



Peacbii f 



Pterotheca corrugata ... . 



transversa t 



sp 



Theca anceps . 



Forbesii ... 



12 3 4 5 



QQ 



OQ 



m 



o 



W 



! &c 



■5 



fee 



6 7 8 9 1011 



2 ,S 



Ol . 



"So 'So S 





