420 NEW YORK STATE MUSEUM 



2 595 ~^~ type Hall. Paleontology of New York, 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 4. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 4. 



Ithaca beds Norwich N. Y. 



T. W. Hall and G. B. Simpson, coll. 1870 



2596 ^^ type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 5. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 5. 



Ithaca beds Norwich N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



2597 -- 6 — type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 6. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 6. 



Ithaca beds Norwich N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



2598 ^4^- type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 7. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 7. 



Ithaca beds Norwich N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



2599 A % ta type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 8. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 8. 



Ithaca beds Norwich N. Y. 



J. ¥' . Hall and G. B. Simpson, coll. 1870 



2600 --9 1 - type Hall. Paleci cology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 21, fig. 9. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 pi. 21, fig. 9. 



Ithaca beds Norwich N. Y. 



J. W. Hall and G. B. Simpson, coll. 1870 



Leptodesma rude Hall 



2601 2.2JJ1 type Leptodesma rude Hall. Paleontology of 



New York. 1883. v. 5, pt 1, plates and explanations, 

 pi. 25, fig. 12. 



