BIGSBY PALEOZOIC ROCKS OF NEW YORK. 



399 



EXPLANATION OF THE ABBREVIATIONS USED IN THE FOLLOWING 



TABLES. 



Upper Ludlow UL. 



Aymestry Limestone A. 



Lower Ludlow LL. 



"Wenlock Limestone WL. 



Wenlock Shale WS. 



Upper Caradoc UC. 



Upper Silurian US. 



Lower Silurian LS. 



Devonian D. 



Hall H. 



De Verneuil V. 



Sharpe Sh. 



Conrad C. 



Emmons E. 



Vauuxem Va. 



f New Species, according to James Hall. 

 Table I. — The Silurian Fossils of the State of New York. 



Fossils. 



09 



B 

 O 

 +-= 



co 



■c 

 s 

 ei 

 t» 



s 



ca 



-3 



o 



09 



c 

 c 



+a 



CO 



a 



ca 

 'SI 

 co 

 3 

 o 

 ■— 



"3 



o 



09 



s 

 © 



en 



a 



-I 



—i 



u 

 09 



> 



1 



u 



ca 



>> 



SI 



ca 

 35 



09 



C 



o 



co 

 09 



s 



<U 

 ?►» 



<u 



-3 



u 



s 



1 



s 

 o 



CD 



a 



3 



o 



H-a 



c 



09 



h 



H 



q3 



ca 

 o 



3- 



O 



'— 



CD 



Sh 



> 



s 

 o 



CO 



3 



3 



o 



CO 



3 

 ca 



C/2 



>> 



09 

 Fh 



<a 

 ca 



Sh 

 49 



s 



o 



3 

 O 

 O 



ca 

 '3 



3 



° 



09 

 3 

 O 

 -m 



CO 



-a 



3 



ca 



J/2 

 C3 

 3 



'S 



09 



H 

 H 



i 



3- 

 3 

 C 

 s- 



o 



3 

 O 

 +a 



_3 



o 



H 

 H 

 H 

 H 

 H 

 H 



H 

 H 

 H 



Q- 

 3 

 O 

 Sh 



o 



ca 

 ca 



.2 

 2 



09 



c3 



O 

 .3 



O 

 72 



o 



CO 



09 



3 



.3 



<u 

 _3 



"cS 

 Sh 



© 



° 



3- 

 O 



(3 



"e3 



• 



ca 

 tc 



-2 



3 

 C 

 c 



o 



3. 

 3 

 O 

 Sh 



O 



09 



E 



Sh 



09 



ca 



09 



3 

 O 

 -»-» 

 ad 



09 



g 



CO 



Sh 



09 



3 

 +■> 



3 



X 



s- 



09 



o 



09 



c 

 o 



+a 



CO 



09 



s 



_>» 



CO 



'u 



09 

 3 

 O 



■+3 



CO 



09 



s 



la 



3 

 3 



09 



3 

 O 

 -u 



CO 

 09 



s 



CO 



3 

 Si 



09 



a 



-+j 



3 



09 

 Qh 



Sh 

 09 



3. 

 3h 



Plants. 



























H 











E 





















































































































































H 







H 













H 























* 

























H 







H 

 H 

























































H 







H 











H 







































H 























