284 NEW YORK STATE MUSEUM 



1741 g 2 * 5 HYPOPLASTOTYPE Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt i, pi. 4!, fig. 23. 



Helderbergian Near Clarksville N. Y. 



Pholidops patina Hall & Clarke 



1742 -fi^ 2 - PLASTOTYPE Pholidops patina Hall & Clarke. 



Paleontology of New York. 1892. v. 8, pt i, p. 182, 

 pi. 4 T, fig. 28. 



Hall & Clarke. i4th annual report of the New York, 

 state geologist. 1895. pi. 3, fig. 19. 



Onondaga limestone De Cewville Ont. 



Pholidops squamiformis Hall 



!743 ^^ HYPOPLASTOTYPE Orbicula? squamiformis Hall. 

 Geology of New York; report on the 4th district. 1843. 

 p. 108. 



Pholidops squamiformis Hall & Clarke. 

 Paleontology of New York. 1892. v. 8, pt i, pi. 4!, 

 fig. 21. 



Niagaran Hamilton Ont. 



Pholidops terminalis Hall 



1744 -S^i-2. HYPOTYPE: HYPOPLASTOTYPE Pholidops terminalis 



Hall. Paleontology of New York. 1859. 3:490. 



Clarke. New York state museum memoir 3. 1900. 

 pi. 8, fig. 23. 



Oriskanian Becraft mountain, Hudson N. Y. 



1745 s - 8 ^ s - HYPOTYPE: HYPOPLASTOTYPE Clarke. New York state 



museum memoir 3. 1900. pi. 8, fig. 24. 



Oriskanian Becraft mountain, Hudson N. Y. 



1746 - S -^ LS - HYPOTYPE Clarke. New York state museum memoir 3. 



1900. pi. 8, fig. 25. 



Oriskanian Becraft mountain, Hudson N. Y 



PHOLIDOSTROPHIA Hall & Clarke 



Pholidostrophia nacrea Hall 



1747 *- TYPE Strophomena (Strophodonta) nacrea 



Hall. loth annual report of the New York state cabinet of 

 natural history. 1857. p. 144. 



Strophodonta nacrea Hall. Paleontology of 

 New York. 1867. v. 4, pi. 18, fig. la, if. 



Hamilton shales Eighteen Mile creek, Erie co. N. Y. 

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



