420 



NEW YORK STATE MUSEUM 



2 595 TYp E 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 1, 



pi. 21, fig. 4. 



Ithaca beds Norwich N. Y. 



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



2 59 6 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 

 2 £97 "e AiL 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 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 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. V 1 , Hall and G. B. Simpson, coll. 1870 



2600 -A/- 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 99 f° type Leptodesma rude Hall. Paleontology of 



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

 pi. 25, fig. 12. 



