6 5 6 



NEW YORK STATE MUSEUM 



Trochoceras gebhardi Hall 



41 13 type Trochoceras gebhardi Hall. Paleontology 



of New York. 1852. 2:335, pi. 77, fig. 2. 



Coralline (Cobleskill) limestone Schoharie N. Y. 



J. Gebhard purchase 



4 1 14 1 8 | 6 6 type Hall. Paleontology of New York. 1852. v. 2 



pi. 77A, fig. ib. 



Coralline (Cobleskill) limestone Schoharie N. Y. 



J. Gebhard purchase 



Trochoceras obliquatum Hall 

 4 IJ 5 type Trochoceras obliquatum Hall. Illustra- 



tions of Devonian fossils. 1876. Cephalopoda, explana- 

 tion of pi. 48. 



Hall. Paleontology of New York. 1879. v - 5> P* 2 t 

 p. 401, pi. Ill, fig. t, 2. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



Trochoceras orion Hall 



41 16 i-2JpL& type Trochoceras orion Hall. Illustrations of 



Devonian fossils. 1876. Cephalopoda, pi. 48, fig. 2. 



Hall. Paleontology of New York. 1879. v. 5, pt 2 T 

 p. 397, pi. 58, fig. 2. 



Schoharie grit Knox, Albany co. N. Y„ 



C. Van Deloo, coll. 1862 



Trochoceras pandion Hall 



4117 * g \ 6 9 type Trochoceras pandion Hall. Illustrations of 



Devonian fossils. 1876. Cephalopoda, pi. 48, fig. 7. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 p. 400, pi. 58, fig. 7. 



Schoharie grit Schoharie county, N. Y. 



J. Gebhard purchase 



41 18 iS-jLS.* type Hall. Illustrations of Devonian fossils. 1876. 



Cephalopoda, pi. 48, fig. 8. 



Hall. Paleontology of New York. 1879. v. 5, pt 2, 

 pi. 58, fig. 8. 



Schoharie grit Schoharie county, N. Y. 



J. Gebhard purchase 



