TYPE SPECIMENS OF PALEOZOIC FOSSILS 365 



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

 pi. 2, fig. 8. 



Hamilton beds Canandaigua lake, N. Y. 



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



2270 *&*- TYPE Hall. Paleontology of New York. 1883. v. 5, 



pt i, plates and explanations, pi. 3, fig. 14. 



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

 pi. 3, fig. 14. 



Hamilton beds Canandaigua lake, N. Y. 



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



Aviculopecten patulus Hall 



2271 ^-^ TYPE : PLASTOTYPE A V 1 C U I O p 6 C t 6 n p a t U 1 U S Hall. 



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

 explanations, pi. 7, fig. 32. 



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

 'pi. 7, fig. 32. 



Chemung (?) conglomerate Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



2272 -2-a^ TYPE: PLASTOTYPE Hall. Paleontology of New York. 



1883. v. 5, pt i, plates and explanations, pi. 7, fig. 33. 

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



P 1 - 7, fi g- 33- 



Chemung (?) conglomerate Salamanca N. Y. 



R. P. Whitfield, coll. 1869 



Aviculopecten plenus Hall 



2273 sif-Q- TYPE A vicul opec te n plen us Hall. Paleontology 



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

 pi. 24, fig. 3. 



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

 pi. 24, fig. 3. 



Chemung beds Elmira N. Y. 



C. Van Deloo, coll. 1870 



Aviculopecten princeps Conrad (sp.) 



2274 *3i HYPOTYPE Monotis princeps Conrad. Annual re- 



port of the New York state geological survey. 1838. 

 p. 117. 



Aviculopecten princeps Hall. Paleontology 

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

 pi. 5, fig. 18, 19. 



