TYPE SPECIMENS OF PALEOZOIC FOSSILS 413 



Leptodesma lichas Hall 



2 S5 -^f^- TYPE Leptodesma lichas Hall. Paleontology of 

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

 pi. 21, fig. 37. 



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

 pi. 21, fig, 37; pi. 91, fig. 20. 



Chemung beds Belmont, Allegany co. N. Y. 



R. P. Whitfield and C. Van Deloo, coll. 1869 

 On slab with type of Pterinopecten neptunus, Pal. 

 N. Y. v. 5, pt 1, pi. 8, fig. 6. 



Leptodesma longispinum Hall 



2 55 J ^r- 2 - HYPOTYPE Avicula longi s p ina Hall. Geology of 

 New York; report on the 4th district. 1843. p. 262. 



Leptodesma longispinum Hall. Paleontol- 

 ogy of New York. ,. 1884. v. 5, pt i, pi. 89, fig. 2. 



Chemung beds Between Corning and Elmira N. Y. 



A. Sherwood, coll. 1871 



2552 A^-A HYPOTYPE Hall. Paleontology of New York. 1884. v. 5, 



pt i, pi. 89, fig. 3. 



Chemung beds Between Corning and Elmira N. Y. 



A. Sherwood, coll. 1871 



2553 ^4P HYPOTYPE Hall. Paleontology of New York. 1884. v. 5, 



pt i, pi. 89, fig. 4. 



Chemung beds Elmira N. Y. 



C. Van Deloo, coll. 1870 



Leptodesma loxias Hall 



2 554 --i- 1 TYPE Leptodesma loxias Hall. Paleontology of 



New York. 1884. v. 5, pt i, p. 204, pi. 90, fig. 14. 

 Chemung beds Lawrenceville Pa. 



A. Sherwood, coll. 1871 



Leptodesma lysander Hall 



2 555 1 s - 2 - TYPE Leptodesma ly s an d er Hall. Paleontology 



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

 tions, pi. 22. 



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

 pi. 90, fig. 34. 



Chemung beds Mansfield Pa. 



A. Sherwood, coll. 1871 



