444 



CEPHALOPODA. 



[nau. 



Fig. 747.— Nautilus forbesnnua. 



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

 p. 574, Coal Meas. 



forbesanus, 

 McChes- 

 ney, 1860, 

 Desc. New 

 Pal. Fobs., 

 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. 

 gl obatus, 

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

 129, Kaskaskia (jr. 

 bercules, Billings, 1857, Rep. of Progr. 



Can. Geo. Sur., p. 306, Hud. Riv. (Jr. 

 highland ends, see Discites highlandensis. 

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



37, Ham. Gr. 

 illinoisensis, McChesney, I860, 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, 

 lawsi, 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, 

 Marceilus Shale, 

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



vol. 5, Ham. Gr. 

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

 p. 422, Ham. Gr. Proposed instead of 

 N. barrandi, Hall, which was preoc- 

 cupied. 

 marcellensis, see Discites marcellensis. 

 maximus, Conrad, 1838, (Cyrtoceras max- 

 imus,) Ann. Rep. N. Y., 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, Worthen, 1884, Bull. 

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

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

 Meas. 

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

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

 att's genus Barrandoceras. 



niotensis, see Temnochilus niotense. 

 nodocarinatua, McChesney, syn. for N. oc- 



cidentalis. 

 nodoso-dorsatus, Shumard, 1858, Trans. 



St. Louis Acad. Sci., vol. 1, p. L9€ 



Meas. 

 occidentalis, Swallow, 1858, Trans. St. 



Louis Acad. Sci.. vol. 1, ]>. l!>ti, and Pal. 



E. Neb., p. 284, lVrmian Gr. 

 occidentalis, Hall, I860, 20th Rep. N. Y. 



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



This name being preoccupied) ucChef- 



ney's name cancellatus, has precedence. 



See Lituites cancellatus. 

 oceanus, Hall, 1879, Desc. New SpM. 



Fobs., p. 19, and lltli Rep. Geo. and 



Nat. Hist. Ind., p. :;l'."), Niagara Gr. 

 oriens, Hall, 1876, lllust. Devonian Fobs., 



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



420, Marceilus Shale. 

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



lensis. 

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



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

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



7, p. 38, Coal M- as. 

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



Sci., vol. 2, p. 226, Kaskaskia (Jr. 

 Permian ne, Swallow, 1868, Trans. St 



Louis Acad. Sci., vol. 1, p. 198, Pet 



mian Gr. 

 planidorsalis, see Trematodiscus plani- 



dorsalis. 

 planorbiformis, Meek & Worthen 



Proc. Acad. Nat. Sci. Phil., p. 4(i!», 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. 2<>, ( 'alciferoui 

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



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

 nus Titanoceras. 

 quadrangularis, McChesney, 1860, Desc. 



New Pal. Fobs., p. 65, and Trans. Obi. 



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



Type of Hyatt's genus Tainoceras. 

 rockfordensis, Meek & Worthen, L868, 



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



derhook Gr. Probably a Gyroceras. 



See 111. Geo. Sur., vol. :;. 

 sangamonensis, Meek & Worthen, I860, 



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., vol. 5, pt.2, p. 409, Ham. Gr. 

 subquadrangularis, Whitfield, 1882, Ann. 



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



