'642 NEW YORK STATE MUSEUM 



Orthoceras tantalus Hall 

 402c i^o-2. T Yp E 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> P l 2 > P- 2 4i> P 1 - 35* fi S- 8 > 9- 

 Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



4021 A-^|-&£ type Hall. Illustrations of Devonian fossils. 1876. 



Cephalopoda, pi. 35, fig. 1 (upper part). 



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

 pi. 35, fig. 10. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



4022 i^f^*- type Hall. Paleontology of New York. 1879. v. 5, 



pt2,pl.35A, fig. 7. 



Schoharie grit Clarksville, Albany co. N. Y. 



4023 i^-J^a type Hall. Paleontology of New York. 1S79. v. 5, 



pt2, pi. 35A, fig. 10. 



Schoharie grit Clarksville N. Y. 



Orthoceras telamon Hall 



4024 12 ^ 1 & 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 1 - - 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 ±2-±a type Orthoceras tenuiseptum Hall. Paleon- 



tology of New York. 1847. J : 35' pi* 7> fig- 6. 



Chazy limestone Chazy, Clinton co. N. Y. 



Geological survey collection 

 Orthoceras teretiforme see Orthoceras (Cyclo- 

 ceras) teretiforme 

 Orthoceras (Cycloceras) teretiforme Hall 



4027 J-^Aia type Orthoceras teretiforme Hall. Paleon- 



tology of New York. 1847. 1 : 198, pi. 42, fig. 8a, b. 

 Trenton limestone Watertown N. Y. 



