^4 2 NEW YORK STATE MUSEUM 



Orthoceras tantalus Hall 



.4020 !-*. TYPE Orthoceras pelops Hall. Illustrations of 

 Devonian fossils. 1876. Cephalopoda, pi. 35, fig. 3 

 (upper part). 



Orthoceras tantalus Hall. Paleontology of 

 New York. 1879. v. 5, pt 2, p. 241, pi. 35, fig. 8, 9. 

 Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



.4021 -1-2-J.&A TYPE Hall. Illustrations of Devonian fossils. 1876. 

 Cephalopoda, pi. 35, fig. i (upper part). 



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

 pi. 35, fig. 10. 



Schoharie grit Schoharie N. Y/ 



J. Gebhard purchase 



.4022 i& TYPE Hall. Paleontology of New York. 1879. v. 5, 

 pt2,pl. 3 sA, fig. 7. 



Schoharie grit Clarksville, Albany co. N. Y. 



4023 iAiL$L TYPE Hall. Paleontology of New York. 1879. v. 5, 



pt2, pl.3sA, fig. 10. 



Schoharie grit Clarksville N. Y. 



Orthoceras telamon Hall 



4024 is-^ifl. TYPE Orthoceras telamon Hall. Paleontology of 



New York. 1879. v. 5, pt 2, p. 291, pi. 85, fig. 3, 4. 

 Hamilton beds 



Menteth's point, Canandaigua lake, N. Y. 



4025 -^f 12 - TYPE Hall. Paleontology of New York. 1879. v. 5, 



pt2, pi. 85, fig. 12. 

 Hamilton beds 



Menteth's point, Canandaigua lake, N. Y. 

 R. P. Whitfield and J. W. Hall, coll. 1858 



Orthoceras tenuiseptum Hall 



4026 J-^pi TYPE Orthoceras tenuiseptum Hall. Paleon- 



tology of New York. 1847. J : 35> P^ 7> n S- 6. 



Chazy limestone Chazy, Clinton co. N. Y. 



Geological survey collection 



Orthoceras teretiforme see Orthoceras (Cyclo- 

 ceras) teretiforme 

 Orthoceras (Cycloceras) teretiforme Hall 



4027 iftAia TYPE Orthoceras teretiforme Hall. Paleon- 



tology of New York. 1847. l : 1 9%> pl 4 2 > n g- 8a, b. 

 Trenton limestone Watertown N. Y. 



