2-8 



NEW YORK STATE MUSEUM 



Streptorhynchus subplanum Beecher & 

 Clarke. New York state museum memoir i. 1889. pi. 2, 

 fig. 14, 14a. 



Xiagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1704 J 9 2 s 7 hypotype Beecher & Clarke. New York state museum 



memoir r. 1889. pi. 2, fig. 16, 18. 



Xiagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1705 - J - i r/ L:L hypotype Beecher & Clarke. New York state museum 



memoir 1. 18S9. pL 2, fig. 17, 20. 



Xiagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878. 



1706 7 ?, 4 3 7 hypotype Beecher & Clarke. New York state museum 



memoir 1. 1889. pi. 2. fig. 19. 



Xiagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1878 



1707 79 5 3 7 hypotype Beecher & Clarke. New York state museum 



memoir 1. 1889. pi. 8 (series of 13 growth stages). 

 Xiagaran Waldron Ind. 



C. D. Walcott and C. Van Deloo, coll. 1S78 

 Orthothetes woolworthanus Hall 



1708 7 e V 3 ? hypotype Strophomena woolworthana Hall. 



10th annual report of the New York state cabinet of 

 natural history. 1857. p. 48. 



Streptorhynchus woolworthana Hall. 

 2d annual report of the Xew York state geologist. 1883. 

 pi. 39, fig. 29. 



Orthothetes woolworthana Hall & Clarke. 

 Paleontology of Xew York. 1892. v. 8, pt 1, pi. 9, 

 fig. 29. 



Helderbergian Schoharie county, X. Y. 



J. Gebhard purchase 

 parastrophia Hall *Sc Clarke 



Parastrophia hemiplicata Hall 

 j is^lQ. hypotype A try pa hemiplicata Hall. Paleon- 

 tology of Xew York. 1S47. 1 : 144. 



Parastrophia hemiplicata Hall & Clarke. 

 Paleontology of New York. 1S94. v. S, pt 2, pi. 63, 

 fig. 2. 



Trenton limestone Jacksonburg X. Y. 



