39 NEW YORK STATE MUSEUM 



Grammysia arcuata (Conrad) Hall 



2449 2^2. TYPE Posidonia? arcuata Conrad. Annual report 



of the New York state geological survey. 1841. p. 53. 



Grammysia (Leptodomus) arcuata Hall. 

 Paleontology of New York. 1883. v. 5, pt i, plates and 

 explanations, pi. 61, fig. i. 



Grammysia arcuata Hall. Paleontology of 

 New York. 1885. v. 5, pt i, pi. 61, fig. i. 



Hamilton beds Fabius, Onondaga co. N. Y. 



G. B. Simpson, coll. 1863 



2450 &22- TYPE Hall. Paleontology of Ne\v York. 1883. 'v. 5, 



pt i, plates and explanations, pi. 61, fig. 2. 



Hall. Paleontology of New York. 1883. v. 5, pt i, 

 pi. 61, fig. 2. 



Hamilton beds * Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



2451 &*/- TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 61, fig. 3. 



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

 pi. 61, fig. 3. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



2452 &22- TYPE Hall. Paleontology of New York. 1883. v. 5 



pt i, plates and explanations, pi. 61, fig. 4. 



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

 pi. 61, fig. 4. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



2 453 ^~/^~ TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 61, fig. 5. 



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

 pi. 61, fig. 5. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



2454 zsgf. TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 61, fig. 9. 



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

 pi. 61, fig. 9. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



