TYPE SPECIMENS OF PALEOZOIC FOSSILS 4*3 



Leptodesma lichas Hall 

 2550 ojL2n T yp E Leptodesma lichas Hall. Paleontology of 

 New York. 1883. v. 5, pt 1, plates and explanations, 

 pi. 21, fig. 37. 



Hall. Paleontology of New York. 1884. v. 5, pt 1, 

 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 ^! H3A0 hypotype Avicula 1 o n g i s p i n a 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 1, pi. 89, fig. 2. 



Chemung beds Between Corning and Elmira N. Y. 



A. Sherwood, coll. 1871 



2552 iu\p. hypotype Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 89, fig. 3. 



Chemung beds Between Corning and Elmira N. Y. 



A. Sherwood, coll. 1871 



2 553 n^io hypotype Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 89, fig. 4. 



Chemung beds Elmira N. Y. 



C. Van Deloo, coll. 1870 



Leptodesma loxias Hall 



2554 .1^11 T ype Leptodesma loxias Hall. Paleontology of 



New York. 1884. v. 5, pt 1, p. 204, pi. 90, fig. 14. 

 Chemung beds Lawrence ville Pa. 



A. Sherwood, coll. 1871 



Leptodesma lysander Hall 



2555 "y 1 - type Leptodesma lysander Hall. Paleontology 



of New York. 1883. v. 5, pt 1, plates and explana- 

 tions, pi. 22. 



Hall. Paleontology of New York. 1884. v. 5. pi 1, 

 pi. 90, fig, 34. 



Chemung beds Mansfield Pa, 



A. Sherwood, coll. 1S7 1 



