314 NEW YORK STATE MUSEUM 



1946 m- hypotype Hall. Paleontology of New York. 1867. 

 v. 4, pi. 42, fig. 3. 



Hall. 2d annual report of the New York state geolo- 

 gist. 1883. pi. 55, fig. 17. 



Hall & Clarke. Paleontology of New York. 1894. 

 v. 8, pt 2, pi. 30, fig. 17. 



Chemung beds Western New York 



^47 -f-f- hypotype Hall. Paleontology of New York. 1867- 

 v. 4, pi. 42, fig- 4- 



Chemung beds Randolph N. Y. 



C. Van Deloo, coll. 1863 

 jQ^g £|^ hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 42, fig. 5- 



Chemung beds Meadville Pa. 



C. Van Deloo, coll. 1863 

 jq 4 q ^|^ hypotype Hall.' Paleontology of New York. 1867. 

 v. 4, pi. 42, fig. 6. 



Chemung beds Conewango N. Y. 



C. Van Deloo, coll. 1863 

 jQr £|"P hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 42, fig. 7- 



Chemung beds Conewango N. Y. 



C. Van Deloo, coll. 1863 

 jot! •§-!!-£ hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 42, fig. 8. 



Chemung beds Randolph N. Y. 



C. Van Deloo, coll. 1863 

 I gr 2 ^ff a hypotype Hall. Paleontology of New York. 1867. 

 v. 4, pi. 42, fig. 9. 



Chemung beds New Albion N. Y. 



C. Van Deloo, coll. 1863 

 I9 r3 -&|ao hypotype Hall. Paleontology of New York. 1867. 

 v. 4. pi. 42, fig- 10. 



Chemung beds Cherry Creek, Cattaraugus co, N. Y. 



C. Van Deloo coll. 1863 

 j 9 t- 4 s.|Ao. hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 42, fig. 11. 



Chemung beds New Albion N. Y. 



jqcc -^f-P hypotype Hall. Paleontology of New York. 1867. 

 v. 4, pi. 42, fig. 12. 



Chemung beds Cherry Creek N. Y. 



C. Van Deloo, coll. 1863 



