BIGSBY PALAEOZOIC EOCKS OP NEW YORK. 



Table XIX. (continued). 



327 





1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



Genera and Species. 



1 

 1 



1 



i 



1% 

 •is. 



(6 



GQ 



aj 



■i 





1 



aj 





CO 



o 



0) 



o 



OQ 



m 



o 



(a 



TO 



GQ 

 .—J 



1 



O 



o 

 Q 





o 



1 



1 — 1 



! 



1 



a 

 ;5 



Orthis turgida ... 









^ 



¥r 



* 













unguis 

















* 

















vespertilio ... ... 

















* 



* 















Ortlnsina ascendens ... 





















* 



•5«- 











Scoticat 



























* 



* 





Pentamerus galeatus . . - 





















* 



* 





^ 



* 





globosus ... 

















* 

















Knightii 



























* 



* 



if 



Isevis 











* 



* 



* 



* 



¥r 















lens 











* 



* 



* 



* 



^ 



* 













linguifer 















... 













■5«- 



-5^ 





liratus 















* 



* 



^- 















oblongus 











* 



* 



* 



* 



* 















undatus 















* 



* 



* 



■H- 













Porambonites intercedens t 

















... 













* 





Retzia Barrandei 





























* 





Baylei 



























* 



* 





Bouchardii 





























it 





cuneata 











... 





* 



* 



* 



* 







'.-' 



* 





Salteri 



























* 



* 





Rhynchonella angustifrons 

















* 



* 















borealis 

















* 



«• 



* 







¥r 



^ 





brevirostrum 





















* 







* 



* 





compressa 





























if 





crebricosta 



























* 



* 





crispata 













• • • 















V 



* 





Davidson! 













... 







• • . 











* 





decemplicata 











* 



* ,« 



* 



* 















deflexa 















... 













if- 



ie 





depressa 













... 















% 



H= 





didyma 

















■»• 



* 



* 



* 





* 



ifr 





furcata 











* 



■»■ 



* 



* 

















G-rayii 

























* 



■5«- 



* 





interplicata 



























* 



¥c 





Lewisii ... ... ... 



nasuta t 

















* 



* 









* 



* 





... 







navicula 

















* 



* 



* 



* 





* 







neglecta 

















* 

















nitida 

















... 













if 





nucula 











* 



* 



* 



* 



* 



* 



* 





* 



* 



if 



obtusipKcata 











* 























pentagona 





























if 





pusUla 

















* 

















rotunda 



serrata 













* 



* 



* 





* 









if 











sexcostata 













* 





















VOL. XV. PART I. 



2b 



