ORT.] 



CEPHALOPODA. 



imbricatnm, Sowerby, 1839, Murch. Sil. 



Syst., p. 620, and Pal. N. Y., vol. 2, p. 



291, Niagara Gr. 

 inceptum, Foerste, 1885, Bull. Sci. Lab. 



Denison Univ., p. 117. Not properly 



defined, 

 indagator, Billings, 1865, Pal. Foss., vol. 



1, p. 349, Calciferous Gr. 

 indianense, Hall, 1860, 13th Rep. N. Y. 



Mus. Nat. Hist., p. 107, Kinder- 

 hook Gr. 

 infrlix, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 57, Clinton Gr. 

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



p. 267, Up. Held. Gr. 

 iowense n. sp. Devonian. Proposed in- 

 stead of O. undulatum in Rep. on Min. 



Lands, p. 69, pi. 12, fig. 6, which name 



was preoccupied. 

 irregulare, McChesney, 1861, New Pal. 



Foss., Niagara Gr. The name was pre- 

 occupied. See 0. woodworthi. 

 isogramma, Meek, 1871, Proc. Acad. Nat. 



Sci., p. 172, Coal Meas. 

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



266, Up. Held. Gr. 

 jamesi, Hall & Whitfield, 1875, Ohio Pal. 



vol. 2, p. 118, Clinton Gr. 

 jolietense, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., p. 256, and Geo. 



Sur. 111., vol. 6, p. 505, Niagara Gr. 

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



204, Trenton Gr. 

 kickapooense, Swallow, 1858, Trans. Acad. 



Sci. St. Louis, vol. 1, p. 197, Up. Per- 

 mian Gr. 

 kingi, Meek, 1877, U. S. Geo. Snr. 40th 



Parallel, vol. 4, p. 47, Devonian, 

 knoxense, McChesney, 1860, New Pal. 



Foss., p. 69, Coal. Meas. 

 Iseve, Hall, 1843, Geo. Rep. 4th Dist. N. Y. 



The name was preoccupied by Fleming 



in 1825. See O. sublaeve. 

 lamarcki, Billings, 1859, Can. Nat. and 



Geo., vol. 4, p. 362, Calciferous Gr. 

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



p. 312, Hud. Riv. Gr. 

 laphami, McChesney, 1861, New Pal. 



Foss., p. 91, Niagara Gr. 

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



p. 13, Calciferous to Trenton Gr. 

 laqueatum var. a, Hall, 1847, Pal. N. Y., 



vol. 1, p. 206, Trenton Gr. 

 laqueatum, Hartt, 1868, Acad. Geol. The 



name was preoccupied. See O. Hartt- 



anum. 

 lasallense, Worthen, 1883, Geo. Sur. 111., 



vol. 7, p. 324, and Geo. Sur. 111., vol. 8, 



p. 149, Coal Meas. 

 lathropanum, Winchell, 1862, Am. Jour. 



Sci. and Arts, 2d ser., vol. 33, p. 357, 



Marshall Gr. 

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



1, p. 204, Trenton Gr. 

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



309, Chemung Gr. 

 lima, Hall, 1879, Pal. N. Y., vol. 5, p. 303, 



Ham. Gr. 



lineolatum, McChesney, 1861, New Pal. 



Foss., p. 93, Niagara Gr. The name 



was preoccupied by Phillips in 1841. 

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



277, Ham. Gr. 

 longicameratum, Hall, 1859, Pal. N. Y., 



vol. 3, p. 343, Low. Held. Gr. 

 loxias, Hall, 1867, 20th Rep. N. Y. Mus. 



Nat. Hist., p. 416, Low. Sil. 

 luxum, Hall, 1876, Illust. Devonian Foss. 



pi. 35, and Pal. N. Y., vol. 5, pt. 2, p. 



244, Schoharie grit, 

 lyelli, Billings, 1857, Rep. of Progr. Geo. 



Sur. Can., p. 320, Hud. Riv. Gr. 

 magnisulcatum, Billings, 1857, Rep. of 



Progr. Geo. Sur. Can., p. 330, Hud. 



Riv. Gr. 

 marcellense, Vanuxem, 1842, Geo. Rep. 



N. Y., p. 147, and Pal. N. Y., vol. 5, pt. 



2, p. 278, Ham. Gr. 

 marginale, Owen, 1840, Rep. on Min. 



Lands, p. 70, Up. Magnesian Gr. 

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



vol. 4, p. 461, Chazy Gr. 

 marshallense, Winchell, 1862, Am. Jour. 



Sci., 2d series, vol. 33, p. 356, Mar- 

 shall Gr. 

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



p. 238, Schoharie grit, 

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



254, Schoharie grit, 

 medon, Billings, 1866, Catal. Sil. Foss. 



Antic., p. 57, Clinton Gr. 

 medullare, Hall, 1860, Rep. of Progr. Geo. 



Sur. Wis., p. 4, Niagara Gr. 

 meeki, S. A. Mil- , 



ler, 1875, Gin. 



Quar. Jonr. 



Sci., vol. 2, p. 



126, Hud. Riv. 



Gr. 

 menelaus, Bill- 



ings, 1862, Pal. 



Foss., vol. 1, p. 



26, Black Riv. 



Gr. 

 mephisto, Clarke, 1885, Bull. U. S. Geo. 



Sur., No. 16, p. 29, Genesee Shale, 

 michiganense, S. A. Miller, 1883, 2d Ed. 



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



the southern part of Michigan. Pro- 

 posed instead of 0. multicinctum, 



Winchell, Proc. Acad. Nat. Sci., Phil., 



Sept., 1862, p. 421. 

 minganense, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 319, Chazv and Black 



Riv. Grs. 

 missisquoi, see Cyrtoceras missisquoi. 



FIG. 753. Orthoceras 

 meeki. 



FIG. 574. Orthoceras mohri. 



mohri, S. A. Miller, 1875, Gin. Quar. Jour. 

 Sci., vol. 2, p. 124, Hud. Riv. Gr. 



