TYPE SPECIMENS OF PALEOZOIC FOSSILS 617 



Ormoceras tenuifilum see Hormoceras tenui- 



ORTHOCERAS Breynius 



Orthoceras sp. 



3837 i-|4 TYPE (of protoconch) Orthoceras sp. Clarke. American 



geologist. 1893. 12 : 114, fig. i, 2. 



Clarke. i6th annual report of the New York state 

 geologist. 1898. pi. 9, fig. 23-25. 



Genesee shale (Styliola limestone) 



Canandaigua lake, N. Y. 



J. M. Clarke, donor 

 Orthoceras sp. indet. Hail 



3838 i^ajj. HYPOTYPE Orthoceras sp. indet. Hall. Paleontol- 



ogy of New York. 1879. v - 5> P* 2 > P- 34, pi. $3 



fig- 13- 



y t ,. Hamilton beds Bosanquet, Ontario, Can. 



J. De Cew, coll. 1865 



Orthoceras aegea see Orthoceras (Spyroceras) 

 aegea 



Orthoceras (Spyroceras) aegea Hall 



3839 -i-2Jp--2- TYPE Orthoceras aegea Hall. Descriptions of new 



species of fossils from the Upper Helderberg, Hamilton 

 and Chemung groups. 1861. p. 52. 



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

 pi. 82, fig. 7, 8. 



Hamilton beds Pratt's falls, Onondaga co. N. Y. 



H. H. Smith and C. Van Deloo, coll. 1874 



3840 i3.f-*-2 TYPE Hall. Paleontology of New York. 1879. v. 5, 



pt 2, pi. 82, fig. 9. 



Hamilton beds Pratt's falls, N. Y. 



J. W. Hall and G. B. Simpson, coll. 1872 



3841 -if TYPE Hall. Paleontology of New York. 1879. v.5, pt2, 



pi. 82, fig. 10. 



Hamilton beds Geneseo, Livingston co. N. Y. 



C. Van Deloo, coll. 1865 



3842 -i-fcfA* TYPE Hall. Paleontology of New York. 1879. v - S P* 2 



pi. 82, fig. ii. 



.' Hamilton beds Geneseo N. Y. 



C. Van Deloo, coll. 1865 



Orthoceras amycus \see Orthoceras (Cycloceras) 

 amycus 



