412 



NEW YORK STATE MUSEUM 



Leptodesma extenuatum Hall 



2542 type Leptodesma extenuatum Hall. Paleon- 



tology of New York. 1884. v. 5, pt 1, p. 207, pi. 90, fig. 18. 

 Chemung beds Mansfield, Tioga co. N. Y. 



A. Sherwood, coll. 187 1 

 Leptodesma hector Hall 



2 543 -^r 3 - type Leptodesma hector Hall. Paleontology of 



New York. 1884. v. 5, pt 1, p. 209, pi. 90, fig. 19. 

 Upper Chemung beds Canton, Bradford cc. Pa. 



A. Sherwood, coll. 187 1 



2544 iL ¥^- type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 90, fig. 20. 



Upper Chemung beds Canton Pa. 



A. Sherwood, coll. 187 1 

 Leptodesma jason Hall 



2 545 type Leptodesma jason Hall. Paleontology of 



New York. 1884. v. 5, pt 1, p. 213, pi. 91, fig. 4. 



Chemung beds Canton Pa. 



A. Sherwood, coll. 187 1 



2546 -HP- type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 91, fig. 5. 



Upper Chemung beds Seeley creek, Tioga co. Pa. 



A. Sherwood, coll. 1871 



2547 ^f- 3 - type Hall. Paleontology of New York. 1884. v. 5, 



pt 1, pi. 91, fig. 6. 



Upper Chemung beds Seeley creek, Pa. 



A. Sherwood, coll. 1871 



Leptodesma lepidum Hall 



2548 P'ffi 7 type Leptodesma lepidum Hall. Paleontology 



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

 pi. 21. 



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

 pi. 89, fig. 16. 



Chemung beds Mansfield N. Y. 



A. Sherwood, coll. 1871 



Leptodesma lesleyi Hall 



2549 2-2f-£ type Leptodesma lesleyi Hall. Paleontology 



of New York. 1884. v. 5, pt 1, p. 223, pi. 91, fig. 7. 

 Upper Chemung beds Auburn township, Susque- 



hanna co. Pa. 

 A. Sherwood, coll. 1871 



