444 



CEPHALOPODA. 



[NAU. 



FIG. 747. Nautilus forbesanus. 



ferratus, Cox, 1857, Geo. Sur. Ky., vol. 3, 

 p. 574, Coal Meas. 



forbesanus, 

 M c C h e s- 

 ney, I860, 

 Desc. New 

 Pal. Foss., 

 p. 63, and 

 Trans. Chi. 

 Acad. Sci., 

 p. 50, Coal 

 Meas. 



gilpini, Swal- 

 low, 1860, 

 Trans. St. 

 Louis 

 Acad. Sci., 

 vol. 1, p. 

 658, Coal 

 Meas. 



globatus, 

 Sowerby, 1825, Min. Conch., vol. 5, p. 

 129, Kaskaskia Gr. 

 hercules, Billings, 1857, Rep. of Progr. 



Can. Geo. Sur., p. 306, Hud. Riv. Gr. 

 highland ensis, see Discites highlandensis. 

 hyatti, Beecher, 1888, Pal. N. Y., vol. 7, p. 



37, Ham. Gr. 

 illinoisensis, McChesney, 1860, Desc. New. 



Pal. Foss., p. 64, Coal Meas. 

 ingentior, Winchell, 1862, Am. Jour. Sci., 



2d series, vol. 33, p. 361, Marshall Gr. 

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



p. 258, Quebec Gr. 



jason, Billings, 1859, Can. Nat. and Geol., 

 vol. 4, p. 464, Chazy Gr. Type of Hy- 

 att's genus Plectoceras. 

 kelloggi, Whitfield, 1886, Bull. Am. Mus. 

 Nat. Hist., vol. 1, p. 328, Birdseye Gr. 

 lasallensis, Meek & Worthen, 1866, Proc. 

 Acad. Nat. Sci. Phil., p. 261, and Geo. 

 Sur. 111., vol. 5, p. 610, Up. Coal Meas. 

 lotus, see Temnochilus latum. 

 lawei, Swallow, 1860, Trans. St. Louis 



Acad. Sci., vol. 1, p. 658, Ham. Gr. 

 leidyi, see Solenochilus leidyi. 

 liratus. Hall, 1860, (Gyroceras liratum,) 

 13th Rep. N. Y. Mus. Nat. Hist., p. 104, 

 Marcellus Shale, 

 liratus var. juvenis, Hall, 1879, Pal. N. Y., 



vol. 5, Ham. Gr. 

 magister, Hall, 1879, Pal. N. Y., vol. 5, 



&422, Ham. Gr. Proposed instead of 

 . barrandi, Hall, which was preoc- 

 cupied. 



marcelknsis, see Discites marcellensis. 



maximus, Conrad, 1838, (Cyrtoceras max- 

 imus,) Ann. Rep. N. i., p. 117, and 

 Pal. N. Y., vol. 5, pt. 2, p. 418, Ham. Gr. 



meekanus, see Trematodiscus meekanus. 



missouriensis, Swallow, 1858, Trans. St. 

 Louis Acad. Sci., vol. 1, p. 198, Coal Meas. 



montgomeryensis, Wortben, 1884, Bull. 

 No. 2, 111. St. Mus. Nat. Hist., p. 4, and 

 Geo. Sur. 111., vol. 8, p. 148, Up. Coal 

 lieu. 



natator, Billings, 1859, Can. Nat. and Geo., 

 vol. 4, p. 466, Chazy Gr. Type of Hy- 

 att's genus Barrandoceras. 



niotensis, see Temnochilus niotense. 

 nodocarinalus, McChesney, syn. for N. oc- 



cidentalis. 

 nodoso-dorsatus, Shumard, 1858, Trans. 



St. Louis Acad. Sci., vol. 1, p. 198, Coal 



Meas. 

 occidentals, Swallow, 1858, Trans. St. 



Louis Acad. Sci.. vol. 1, p. 196, and Pal. 



E. Neb., p. 234, Permian Gr. 

 occidentals, Hall, 1860, 20th Rep. N. Y. 



Mus. Nat. Hist., p. 400, Niagara Gr. 



This name being preoccupied, McChes- 



ney's name cancellatus. has precedence. 



See Lituites cancellatus. 

 ocean us, Hall, 1879, Desc. New Spec. 



Foss., p. 19, and llth Rep. Geo. and 



Nat. Hist. Ind., p. 325, Niagara Gr. 

 oriens, Hall, 1876, lllust. Devonian Foss., 



pi. 61, and Pal. N. Y., vol. 5, pt. 2, p. 



420, Marcellus Shale. 

 ornatus, Hall, 1860, syn. for N. marcel- 

 lensis. 

 ortoni, Whitfield, 1882, Ann. N. Y. Acad. 



Sci., vol. 2, p. 231, Coal Meas. 

 parallelus, Beecher, 1888, Pal. N. Y., vol. 



7, p. 38, Coal Meas. 

 pauper, Whitfield, 1882, Ann. N. Y. Acad. 



Sci., vol. 2, p. 226, Kaskaskia Gr. 

 permianus, Swallow, 1858, Trans. St. 



Louis Acad. Sci., vol. 1, p. 196. Per- 

 mian Gr. 

 planidorsalis, see Trematodiscus plani- 



dorsalis. 

 planorbiformis, Meek & Worthen, 1860, 



Proc. Acad. Nat, Sci. Phil., p. 469, and 



Geo. Sur. 111., vol. 2, p. 386, Coal Meas. 

 planovolvis, Shumard, 1858, Trans. St. 



Louis Acad. Sci., vol. 1, p. 198, Coal Meas. 

 pomponius, Billings, 1862, Pal. Foss., vol. 



1, p. 26, Calciferous Gr. 

 ponderosus, White, 1872, Pal. of E. Neb., 



p. 236, Coal Meas. Type of Hyatt's ge- 

 nus Titanoceras. 

 quadrangularis, McChesney, 1860, Desc. 



New Pal. Foss., p. 65, and Trans. Chi. 



Acad. Sci., vol. 1, p. 57, Coal Meas. 



Type of Hyatt's genus Tainoceras. 

 rockfordensis, Meek & Worthen, 1866, 



Proc. Acad. Nat. Sci. Phil., p. 275, Kin- 



derhook Gr. Probably a Gyroceras. 



See 111. Geo. Sur., vol. 3. 

 sangamonensis, Meek & Worthen, 1860, 



Proc. Acad. Nat. Sci. Phil., p. 470, and 



Geo. Sur. 111., vol. 2, p. 386, Coal Meas. 



Type of Hyatt's genus Metacoceras. 

 seebachanus, see Pteronautilus seebach- 



anus. 



spectabilis, see Temnochilus spectabile. 

 springeri, see Solenochilus springeri. 

 striatulus, see Trematodiscus striatulus. 

 subglobosus, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil., p. 469, syn. for 



N. globatus, see Geo. Sur. 111., vol. 3, 



p. 305. 

 subliratus, Hall, 1876, (Gyroceras sublira- 



tum,) lllust. Devon. Foss., pi. 58, and 



Pal. N. Y., voL5, pt.2, p. 409, Ham. Gr. 

 subquadrangularis, Whitfield, 1882, Ann. 



N. Y. Acad. Sci., vol. 2, p. 232, Coal Meas. 



