TYPE SPECIMENS OF PALEOZOIC FOSSILS 447 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 



pl. 37> % i- 



Marcellus shale Skaneateles lake, N. Y. 



W. M. Gabb, coll. 1857 



2765 Mf-- type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 37, fig. 2. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pl. 37, fig. 2. 



Hamilton beds Skaneateles lake, N. Y. 



G. B. Simpson, coll. 1863 



2766 2^0 type? ? Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 37, fig. 4. 



? Hall. Paleontology of New York. 1885. v. 5, pt 1, 



Pl. 37, fi g- 4- 



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



G. B. Simpson, coll. 1863 



2767 ^p type? ?Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 37, fig. 5. 



? Hall. Paleontology of New York. 1885. v. 5, pti, 



pl- 37, fig- S- 



Hamilton beds Canandaigua lake, N. Y. 



R. P. Whitfield and J. W. Hall, coll. 1858 



2768 *^-A type? ?Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 37, fig. 6. 



? Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pl. 37, fig. 6. 



Hamilton beds Pratt's falls, N. Y. 



G. B. Simpson, coll. 1863 



2769 *^p type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pl. 37, fig. 7. 



Hall. Paleontology of New York. 18S5. v. 5, pt 1, 



Pl- 37, fig- 7- 



Hamilton beds Pratt's falls, N. Y. 



G. 15. Simpson, coll. 1S63 



2770 £ Y~ TYPE Ha H- Paleontology of New York. 1SS3. v. 5. pt 1 . 



plates and explanations, pl. 37, fig. . 



Hall. Paleontology of New York. 1SS5. v. 5, pt 1, 

 pl. 37, fig. 8. 



Hamilton beds Pratt's talis. N. Y. 



( i. B, Simpson, coll. 1 



