102 U.S. NATIONAL MUSEUM BULLETIN 262 



Orthoceras --Continued 



(Spyroceras ?) cf. O. (S.) crotalum Hall 



Kindle, E. M., 1909: p. 36, pi. 10, fig. 12. 

 Figured specimen (described 

 specimens not located) 62048 



Ouray Ls. Colorado 



erraticum Foerste 



Foerste, A. F., 1893a: p. 235, text-figs. 1-3 (October); 1893b, 



p. 540, text-figs. 1-3 [as O. (Eu- 



Orthoceras), month of publication 



unknown], 

 Syntypes 88549 



Clinton Gr. Ohio 



eurekensis Walcott 



Walcott, C. D., 1884: p. 265, pi. 23, figs. 2, 2a. 

 Syntypes 14428 



Carboniferous Ls. Nevada 



eurekensis ? Walcott 



Weller, Stuart, 1897: p. 270, pi. 21, figs. 3, 3a. 

 Figured specimen 119604 



Batesville Ss. Arkansas 



filosum Clarke 



Clarke, J. M., 1885: p. 52, pi. 2, figs. 12-14. 

 Syntypes 14990 



Naples Gr. New York 



franklinense Miller 



Miller, S. A., 1894: p. 322, 323, pi. 10, fig. 3. 

 Holotype 64336 



Niagara Gr. Indiana 



gorbyi Miller 



Miller, S. A., 1894: p. 322, pi. 10, fig. 2. 



Syntype 64337 



Hudson River Gr. Indiana 



guadalupense Girty 



Girty, G. H., 1908: p. 497, pi. 23, figs. 10, 10a, b. 

 Holotype 118620 



Delaware Mountain Fm. Texas 



