42O NEW YORK STATE MUSEUM 



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



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



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

 pi. 21, fig. 4. 



Ithaca beds Norwich N. Y. 



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



2 59 6 -^ TYPE Ha ll- Paleontology of New York. 1883. v. 5, 



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



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

 pi. 21, fig. 5. 



Ithaca beds Norwich N. Y. 



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



2 597 ~^r- TYPE Hall. Paleontology of New York. 1883. v. 5, 



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



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

 pi. 21, fig. 6. 



Ithaca beds Norwich N. Y. 



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



2 59 8 -*i TYPE Hall. Paleontology of New York. 1883. v. 5, 



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



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

 pi. 21, fig. 7. 



Ithaca beds Norwich N. Y. 



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



2599 ^^- TYPE Hall. Paleontology of New York. 1883. v. 5, 



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



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

 pi. 21, fig. 8. 



Ithaca beds Norwich N. Y. 



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



2600 H~- TYPE Hall. Paleci cology of New York. 1883. v. 5, 



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



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

 pi. 2 1, fig. 9. 



Ithaca beds Norwich N. Y. 



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



Leptodesma rude Hall 



2601 & TYPE L ep to d e sm a rude Hall. Paleontology of 



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

 pi. 25, fig. 12. 



