TYPE SPECIMENS OF PALEOZOIC FOSSILS 397 



2 455 5L ^f L - type Hall. Paleontology of New York. 1885. v - 5? 



pt 1, pi. 93, fig. 27. 



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



G. B. Simpson, coll. 187 1 



Grammysia (Leptodomus?) arcuata see 

 Grammysia arcuata 



Grammysia bisulcata (Conrad) Hall 



2456 92 1 9g type Pterinea bisulcata Conrad. Annual report 



of the New York state geological survey. 1838. p. 116. 



Grammysia bisulcata Hall. Paleontology of 

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

 pi. 54, fig. 1. 



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

 pi. 54, fig. 1. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. i860 



2457 g8 a S9 type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 54, fig. 3. 



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

 pi. 54, fig. 3. 



Hamilton beds Western New York 



2458 ^jSji type Hall. Paleontology of New York, 1883. v. 5, 



pt i, plates and explanations, pi. 54, fig. 4. 



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

 pi. 54, fig. 4. 



Hamilton beds Summit, Schoharie co. N. Y. 



J. Hall, coll. 1844 



2459 ' l2 r~ type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 54, fig. 5. 



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

 pl. 54, fig. 5. 



Hamilton beds Central New York 



24C0 ''-%*-£ type Hall. Paleontology of New York. 18S3. v 5, 

 pt 1, plates and explanations, pl. 54, fig. 6. 



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

 pl. 54, fig. 6. 



Hamilton bedfl Madison county, N. Y. 



