452 



CEPHALOPODA. 



[PET.- I'Iik. 



tenere, Hall, 1879. Pal. N. Y., vol. 5, p. 



285, Ham. Gr. 



tenerum, Billings, I860, Can. Nat. and 



Geo., vol. 5, p. 174, Black Riv/Gr. 

 tenui-annulatum, Hall, 1859, Pal. N. Y., 



vol. 3, p. 345, Low. Held. Gr. 

 tenuiseptum, Hall, 1847, Pal. N. Y., vol. 



1, p. 35, Chazv Gr. 

 teretiforme, Hall, 1847, Pal. N. Y., vol. 1, 



p. 198, Trenton Gr. 

 tersum, Hall, 1879, Pal. N. Y., vol. 5, p. 



286, Ham. Gr. 



tetrirum, Hall, 1862, 15th Rep. N. Y. 



Mus. Nat. Hist., p. 45, and Pal. N. Y., 



vol. 5, pt. 2, p. 251, Schoharie grit, 

 textile, Hall, 1847, Pal. N. Y., vol. 1, p. 



199, Trenton Gr. 

 textum, Hall, 1879, Pal. N, Y , vol. 5, p. 



285, Ham. Gr. 

 thestor, Hall, 1879, Pal. N. Y., vol. 5, p. 



302, Marcellns shales, 

 thoas. Hall, 1862, 15th Rep. N. Y. Mus. 



Nat Hist, p. 75, and Pal. N. Y., vol. 



5, pt. 2, p. 61, Schoharie grit, 

 thyestes, Hall, 1879, Pal. N. Y., vol. 5, p. 



306, Portage Gr. 

 tityrus, Billings, 1865, Pal. Foss., vol. I, 



p. 316, Quebec Gr. 

 transversmn, S. A. Miller, 1875, Cin. Quar. 



Jour. Sci., vol. 2, p. 129, Hud. Riv. Gr. 



Pia 7.V>.— Ortlioceras transversum. 



trentoneme, see Cyrtoceras trentonense. 



turbidum, Hall & Whitfield, 1875, Ohio 

 Pal., vol. 2, p. 100, Hud. Riv. Gr. 



typuSy Saemann, as identified by Hall, 

 1876, lllust. Devonian Foss., is 0. mar- 

 cellense. 



undulatum, Owen, 1840, Rep. on Min. 

 Lands, Niagara Gr. The name was pre- 

 occupied by Sowerby in 1812. See O. 

 iowense. 



undulostriatum, Hall, 1847, Pal. N. Y.. 

 vol. 1, p. 202, Trenton Gr. 



unionense, Worthed 1875, Geo. Sur. 111., 

 vol. 6, p. 505, Niagara Gr. 



varro, Billings, 1866, Catal. Sil. Foss. 

 Antic, p. 84, Niagara Gr. 



varum, Hall, 1879, Pal. N. Y., vol. 5, p. 

 259, Schoharie grit. 



vastator, Hall, 1879, Pal. N. Y., vol. 5, p. 

 243, Schoharie grit. Correct in the in- 

 dex, but printed O. obliquum, on page 243. 



velox, Billings, 1865, Pal. Foss., vol. 1, p. 

 173, Chazy Gr. 



vertebrate, Hall, 1847. Pal. N. Y., vol. 1, p. 

 201. Preoccupied by Schlotheim in 1820, 

 and by Eichwald in 1840. See O. olorus. 



veterator, Billings, 1865, Pal. Foss., vol.1, 

 p. 350, Calciferous Gr. 



viator, Hall, 1879, Pal. N. Y., vol. 5, p. 

 270, Up. Held. Gr. 



vinchellanum, S. A. Miller, 188.".. Id Ed. 

 Am. Pal. Foss., p. 308, Marshall Gr. in 

 Southern Michigan. Proposed instead 

 of O. occidental, Winchell, 1868, \m. 

 Jour. Sci. and Arts, 2d ser., vol. :'.:;, p. 

 356, which was preoccupied by Swallow. 



vindobonense, Dawson, 186S, Acad. Geol., 

 p. 311, Carboniferous. 



virgatum, Sowerby, 1839, Murch. Sil. Sys., 

 p. 632, and Pal. N. V.. vol. •_>, p. »1, 

 Niagara Gr. 



virgulatum, Hall, 1852, Pal. N. Y., vol.2, 

 p. 96, Clinton and Niagara I 



vittatiim, Sandberger. Net American. 



vulgatum, Billings, 1857, K p, of Progr. 

 Geo. Sur. Can., p. 3:57, Trenton Gr. 



warrenense n. sp., Chemung Gr. Pro- 

 posed instead of o. cochleatum. Hall, 

 Pal. N. Y., vol. 5, i». 808, pi. oxili, fig. 

 19, which nam«> was preoccupied. 



wauwatosense, Whitfield, 1880, Ann. Rep. 

 Geo. Sur. Wis, p. <;<;, and Geo. Wis., 

 vol. 4, p. 297, Niagara (ir. 



whitii, Winch. 11, 1868, Proc Acad. Nat. 

 Sci., p. 22, Kinderhook Gr, 



winchelli, Meek A Worthen, 1866, Proc 

 Acad. Nat. Sci. Phil., p. •_'">7, ami 

 Sur. ill., vol. (i, p. 512, Ham. (ir. 



woodworthi, MeCheeoey. 1866, New I'al. 

 Foss., p. 68, Niagara Gr. Proposed in- 

 stead of O. irregulare, which was preoc- 

 cupied. 



xerxes, Billings, 1866, I'al. Foss., vol. l,p. 

 316, Quebec Gr 



xiphias, Billings, 1867, Rep. of Progr. 

 Geo. Sur. Oan.. p. 318, Trenton (ir. 



zeus. Hall, 1879, Pal. N. Y., vol. 5. pt. 2, p. 

 286, Schoharie grit. 

 I'ii \i.i« iim s, 8. A. Miller, 1880, Jour. Cin. 

 Boc. Nat. Hist, vol. '_'. p. 221. [Kty. pr- 

 /<//o.s, spread out; ichno$, track.] A wide 

 trail compose.l of numerous trans- 

 versely elongated depressions arranged 



without order. Type 1*. multipartitus. 

 multipartitus, S. A. Miller, 1880, Jour. 

 Cin. Soc. Nat. Hist., vol. 2, p. 222, Utica 

 Slate Gr. 

 Pbouomockbab, Broderip, 1889, Murch. Sil. 

 Syst., p. 621. [Kty. phragmm, partition ; 

 keras, horn.] Shell short, arched, com- 

 pressed, more 

 or less conical ; 

 sides of the 

 mouth lapping 

 toward each 

 other ; septa 

 simple, crossed 

 by the sig- 

 moidal lines of 

 growth; si phun- 

 cle on the in- 

 ternal edge, di- 

 1 a t e between 

 the septa. Type 

 P. arcuatum. 

 byronense, Wor- Pio. 70S. — Piiragmoeeras 

 then 1875 hector. Cai-t ot luterior. 



Geo. Sur. 111.' vol. 6, p. 506, Niag- 

 ara Gr. 



