6l8 NEW YORK STATE MUSEUM 



Orthoceras (Cycloceras) amycus Hall 



3843 i-2-pa TYPE Orthoceras amycus Hall. nth annual 



report of the Indiana state geologist. 1882. p. 324^ 

 P 1 - 33> fig. 3, 4- 



Niagaran Flat Rock creek, Shelby co Ind. 



C. D. Walcott, coll. 187$ 



Orthoceras anguis Hall 



3844 ^-2-p.i TYPE Orthoceras anguis Hall. Paleontology of 



New York. 1879. v - 5> P* 2 P- 3 12 ? pi- 89, fig. 9. 

 Portage (Ithaca) beds 



Cascadilla creek, upper fall, Ithaca N. Y. 

 S. G. Williams collection 



Orthoceras aptum Hall 



3845 ^^f 45 - TYPE Orthoceras typum (Saemann) Hall (in 



part). Illustrations of Devonian fossils. 1876. Cephal- 

 opoda, pi. 38, fig. 8. 



Orthoceras aptum Hall. Paleontology of 

 New York. 1879. v. 5, pt 2, p. 282, pi. 38, fig. 8. 



Marcellus shale (Agoniatite limestone) 



Schoharie N. Y. 



J. Gebhard purchase 

 Orthoceras atreus Hall 



3846 i-p6. TYPE Orthoceras atreus Hall. Paleontology of 



New York. 1879. v - 5> P* 2 > P- 35> P^ 88, fig. i. 



Portage (Naples) beds Portageville, Wyoming co. N.Y.. 



Orthoceras aulax Hall 



3847 I*JL TYPE Orthoceras aulax Hall. Paleontology of 



New York. 1879. v - 5> P* 2 P- 2 93> P 1 - 8 4, fig- 18. 



Hamilton beds Hamburg, Erie co. N. Y_ 



J. W. Hall and C. Van Deloo, coll. 1865. 



Orthoceras baculum see Orthoceras stylus 



Orthoceras bebryx Hall 



3848 J^_a_4.8 TYPE Orthoceras typum? (Saemann) Hall (in part). 



Illustrations of Devonian fossils. 1876. Cephalopoda,, 

 pi. 38. fig. 10. 



Orthoceras bebryx Hall. Paleontology of New 

 York. 1879. v. 5, pt 2, p. 275, pi. 38, fig. 10. 



Hamilton beds Cazenovia N. Y. 



L. Lincklaen, donor 



