TYPE SPECIMENS OF PALEOZOIC FOSSILS 599 



3704 x2 ff A type Hall. Paleontology of New York. 1879. v. 5, 

 pt 2, pi. 99, fig. 4, 7. 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



37°5 12 i 2 4 2 § type Hall. Paleontology of New York. 1879. v. 5, pt 2, 



P ] -99> fi g- 5> 6 - 



Schoharie grit Schoharie N. Y. 



J. Gebhard purchase 



3706 12 1 2 s 25 type Hall. Paleontology of New York. 1879. v. 5, 



pt 2, pi. 99, fig. 8. 



Schoharie grit Schoharie N. Y, 



J. Gebhard purchase 



Gyroceras (Cyrtoceras?) spinosum see 

 Cyrtoceras (Rhyticeras) jason 



Gyroceras (Cyrtoceras?) spinosum see 

 Gyroceras (Cophinoceras) spinosum 



Gyroceras subliratum see Nautilus ( Nephriti- 

 ceras) subliratus 



Gyroceras transversum Hall 



3707 12 i 26 type Cyrtoceras transversum Hall. 13th an- 



nual report of the New York state cabinet of natural his- 

 tory. i860, p. 104. 



Gyroceras transversum Hall. Illustrations ot 

 Devonian fossils. 1876. Cephalopoda, pi. 57, fig. 1, 2. 



Gyroceras transversum Hall. Paleontology 

 of New York. 1879. v. 5, pt 2, pi. 56, fig. 1, 2. 



Marcellus shale (Agoniatite limestone) Manlius N. Y. 



L. Lincklaen collection 



3708 } 2 \ 2 - type Hall. Illustrations of Devonian fossils. 1876. 



Cephalopoda, pi. 57, fig. 3, 4. 



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

 pi. 56, fig. 3, 4. 



xMarcellus shale (Agoniatite limestone) 



Near Manlius N. Y. 



Gyroceras trivolvis see Gyroceras (Zitteloceras) 

 trivolve 



Gyroceras (Zitteloceras) trivolve (Conrad) Hall 



3709 li \ 87 type Cyrtoceras trivolvis Conrad. Geological 



survey of New York; paleontologieal department; 3d an- 

 1 ual report. 1840. p. 206. 



