330 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



Table XIX. 



(continued) 





















1 2 



3 4 



5 



6 



7 



8 



9 



10 



11 



Genera and Species. 



o 



O fj 



1 



QQ.a 



1 



1 



o 



3 





1 



.1 



6 





ii 

 11 



m 

 O 

 o 







1— j 



1 



o 



4 



^ 



1 





:« CO 



s 



c8 & 



^ 



SS 



Q 



^ 



03 

 O 



^ 



^ 



;:3 



Ctenodonta Edmondiformis 











* 



4^ 















laevis 













• • . 







* 









lingualis 











... 



* 



* 















obfiqua 













... 



* 



* 













poststriata 













.., 



* 















quadrataf 













^ 

















radiata 















•N- 















regularis t 















^ 















rhomboidea 













^ 



¥r 















seitula 



















^ 











semitruncatat 















^ 















subacuta 















* 















subaequalis 









... * 



* 



^ 

















subeylindrica t 













« 

















transversa t 















* 



* 













Taricosa 













* 



* 



•St 



* 











Cucullella Anglica 











• •-. 





* 















antiqua 











* 



* 



^ 















Cawdori 















* 















coarctata 















* 















ovata 











^ 



^ 



^f 



^f 













Dolabra ? elliptica 











¥r 



















obtusa 











^ 



















Groniophora cymbaeformis 











* 



* 



* 



* 



■5*^ 











Grammysia cingiilata . , . 

 extrasulcata 











« 



* 



-Sf 











•5f 











... ^ 



* 



















rotundata t 











* 



















triangulata 









... * 



* 



















Lyrodesma cuneata 















* 















plana (M'Coy) 











... 







^5- 













Megalomus, sp 











... 



4f 

















Modiolopsis antiqua . . . 











... 



... 





■!<■ 



* 





¥; 







complanata 















■«• 















expansat ... 















■K- 















gradata 

















•«• 



^ 











inflata ... 

















* 













sp. (modiolaris, M'Coy. 













* 



^ 















Nereit 















* 















obliqua 









. . . 

 ... 





* 



«■ 















orbicularis 













¥r 



■se 















perovalis 

















4f 





• . . 



* 







platyphylla 











* 



















postlineata ... ... 















^t 



•5f 













quadrata 











... 







* 



^f 











securiformis 















* 















Mytilus Chemungensis 













«■ 



* 



* 













