350 NEW YORK STATE MUSEUM 



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

 pi. 19, fig. 7. 



Hamilton beds Fultonham, Schoharie co. N. Y. 



W. M. Gabb,coll. 1857 



2178 ^-jf- hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 12. 



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

 pi. 19, fig. 12 ; pi. 84, fig. 17. 



Hamilton beds Hamilton, Madison co. N. Y. 



J. Hall, coll. 1862 



2179 S ^ L1 hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 18. 



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

 pi. 19, fig. 18. 



Hamilton beds Pratt's falls, Onondaga co, N. Y. 



G. B. Simpson, coll. 1863 



2180 -- 4 — hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 19. 



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

 pi. 19, fig. 19. 



Hamilton beds Pratt's falls, N.Y. 



G. B. Simpson, coll. 1863 



2 1 81 hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 20. 



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

 pi. 19, fig. 20. 



Hamilton beds Pratt's falls, N. Y. 



G. B. Simpson, coll. 1863 



2182 9 ° 6 ° 1 hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 22. 



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

 pi. 19, fig. 22. 



Hamilton beds Delphi, Onondaga co. N. Y. 



G. B. Simpson, coll. 1863 



2183 ^ty 1 hypotype Hall. Paleontology of New York. 1883. 



v. 5, pt 1, plates and explanations, pi. 19, fig. 23. 



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

 pi. 19, fig. 23. 



Hamilton beds Delphi N. Y. 



G. B. Simpson, coll. 1863 



