BIGSBY PALJEOZOIC EOCKS OF NEW YOBK. 



313 



Table XYIII. (continued). 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 







.1^ 



t 



i 



o 



03 



o 



6 

 o 





4 



® 





o 





Fossils. o 



1 



m 

 O 



m 



pi 

 O 



n3 



(=1 



g 









o 



I 



O 



00 



O 



1 



a 



00 



-»2 

 00 



g 

 1 — J 



6 



1 



o 





I 





1 



I 



PR 



1 



1 



o 



Q 



m 



1 



a 



Endoceras distans 























T 





duplicatum 























T 





longissimmn 























c 





gemelliparum 

























c 



magniventruin 

























T 



mxiltitubulatiiTn 























C 





proteiforme 























T 





var. elongatum 























T 





var. lineolatnm 

























T 



var. strangulatum 























T 





var. tenuitextimn 























T 





subcentrale 























C 





Phragmolites compressus 























T 





Phragmoceras (cl) 



























Cameroceras Trentonense 

























T 



Gronioceras anceps 























C 





G-omphoceras 



















N 





N 





Trochoceras Grebhardii 

























CL 



turbinata 























CL 





Discosurus conoideus 

















cl 











Myaliaa mytillformis 







■f 





















Crustacea. 



























Cytherina? cylindrica 







cl 





















alta 

























CL 



spinosa 























N 





sp. ind 























B 





Agnostus lobatus 



















HR 





HR 





pisiformis 









HR 



















Beyrichia lata 











... 



cl 



cl 





cl 









symmetrica 



















N 









Ampyx (t) 



























Acidaspis Trentonensis 











... 















T 



spinigera 























T 





Arges phlyctaenodes 



















N 









Asaphus extans 























B 





largimargiaatus 

















u 











marginalis 























T 





nodostriatus 

























T 



obtusus 











CS 

















Bronteus Magarensis 

























N 



Bumastus Trentonensis 























T 





Barriensis 



















N 





N 





sp. ind 























cl 





Calymene Beckii 

















u 







T 





Blumenbacliii 









... 











N 





N 





t Upper grey sandstone, Clinton group. 



2 a2 



