408 



NEW YORK STATE MUSEUM 



2514 type Hall. Paleontology of New York. 1883. v. 5, 



pt 1, plates and explanations, pi. 47, fig. 46, 47. 



Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 47, fig. 46, 47. 



Hamilton beds Pratt's falls, Onondaga co. N. Y. 



G. B. Simpson, coll. 1863 



LEPTODESMA Hall 



Leptodesma ? 



2 5*5 type Leptodesma? Hall. Paleontology of New 



York. 1885. v. 5, pt 1, pi. 80, fig. 4. 



Chemung (?) beds Salamanca, Cattaraugus co. N. Y. 



R. P. Whitfield, coll. 1869 



Leptodesma agassizi Hall 



2516 9 y 1 type Leptodesma agassizi Hall. Paleontology 



of New York. 1884. v. 5, pt 1, p. 182, pi. 89, fig. 17. 



Chemung beds Along Chemung river above Elmira N.Y. 



A. Sherwood, coll. 187 1 



On slab with type of L. spinigerum, Pal. N. Y. v. 5, 

 pt 1, pi. 89, fig. 1, aud type of L . billing si, pi. 89, fig. 12. 



2517 — 2 ~ type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 89, fig. 18. 



Chemung beds Chemung river, between Elmira and 



Waverly N. Y. 

 A. Sherwood, coll. 187 1 



2518 type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 89, fig. 19. 



Chemung beds Along Chemung river above 



Elmira N. Y. 

 A. Sherwood, coll. 187 1 

 On slab with type of L. spinigerum, Pal. N. Y. v. 5, 

 pt 1, pi. 89, fig. 1. 



Leptodesma alatum Hall 

 2 ^jg »2-L2 type Leptodesma alatum Hall. Paleontology of 

 New York. 1884. v. 5, pt 1, p. 218, pi. 90, fig. 26. 

 Chemung beds Canton, Bradford co. Pa. 



A. Sherwood, coll. 187 1 



2520 type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 90, fig. 27. 



Chemung beds Canton Pa. 



A. Sherwood, coll. 187 1 



