198 NEW YORK STATE MUSEUM 



1136 iJ jP TYPE Hall & Clarke. Paleontology of New York. 



1894. v. 8, pt 2, pi. 53, fig. 19. 



Hall & Clarke. i4th annual report of the New York 

 state geologist. 1895. pi. 9, fig. 30. 



Clinton beds Drift of western New York 



Atrypina disparilis Hall 



1137 i\* t HYPOTYPE Atrypa disparilis Hall. Paleon- 



tology of New York. 1852. 2:277, 



Coelospira disparilis Beecher & Clarke. New 

 York state museum memoir i. 1889. pi. 5, fig. 17, i7a. 



Atrypina disparilis Hall & Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, pi. 53, fig. 4. 



Niagaran Waldron Ind. 



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



1138 a HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 5, fig. 18. 



Niagaran Waldron Ind. 



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



1139 11 3 5J - HYPOTYPE Beecher and Clarke. New York state museum 



memoir i. 1889. pi. 5, fig. 20. 



Niagaran Waldron Ind. 



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



1140 up** HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 5, fig. 21. 



Niagaran Waldron Ind 



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



1141 13 g- L HYPOTYPE Beecher & Clarke. New York state museum 



memoir i. 1889. pi. 5, fig. 22. 



Niagaran Waldron Ind. 



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

 n 6 2JL HYPOTYPE Beecher & Clarke. New York state museum 

 memoir i. 1889. pi. 5, fig. 23. 



Niagaran Waldron Ind. 



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



Atrypina imbricata Hall 



HYPOTYPE Lcptocoelia imbricata Hall. loth 

 annual report of the New York state cabinet of natural 

 history. 1857. p. 108. 



Atrypina imbricata Hall & Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, pi. 53, fig. 5. 

 Helderbergian Clarksville N.-Y. 



