CEPHALOPODA. 



307 



Iluronia stokesi, CasteilnsM, 1843, Syst. Sil. 



Schoharie Grit. Not recognized. 

 LiTDiTBS americaniis, Emmons, 1856 (Hor- 

 tholus americanuR) Am. Geol., Black 

 Eiv. Gr. [Ety. proper name.] 

 oonvolvans, as identified by Hall, in Pal. 

 N. Y., vol. 1, is described as L. 

 amerioanus. 

 multicostatus, Whitfield, 1880. Arm. 

 Eep. Geo. Sur. Wis., Niagara Gr. 

 ISig. many ribbed.] 

 murohisoni, Troost. Not defined so as to 

 be recognized. 

 yielia cancellatus, Emmons, 1856, Am. Geol. 



Not defined so as to he recognized. 

 Nautilus acrseus. Hall, 1879, Pal. N.Y., 

 vol. 5, Ham. Gr. [Sig. occupying a 

 height.] 

 harrandl, Hall, being preoccupied by Von 

 Hauer in 1850, N. magister has been 

 proposed in its place, 

 burlingtonensis instead of Gyroceras 

 burlingtonense . 

 -^avus, Hall, 1879, Pal. N.Y., vol. 5, 

 Ham. Gr. [Sig. concave.] 

 danvillensis, White, 1878, Proc. Acad. 

 Nat. Sci., Coal Meas. [Ety. proper 

 name.] 

 digonus, refer to Trematodiscns digonus. 

 liratus instead of Gyroceras liratum. 

 -^ liratus var. juvenis. Hall. 1879, Pal. N. 

 Y., vol. 5, Ham. Gr. [Sig. young.] 

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

 "■^ Ham. Gr. [Sig. the chief.] Proposed 

 instead of N. barrandi, which was 

 preoccupied. 

 marcellensis, refer to Discites marcellen- 



sis. 

 oceanus, Hall, 1879, Desc. New Spec. 

 Foss., Niagara Gr. [Sig. the ocean.] 

 ortoni, Whitfield. 1882. Desc. New Spec, 

 Foss from Ohio, Coal Meas. [Ety. 

 Ijroper name.] 

 pauper, Whitfield, 1882, Desc. New Spec. 

 Foss. from Ohio, Kaskaskia Gr. [Sig. 

 poor] ' 

 subliratus instead of Gyroceras sublira- 

 tum. 

 Xelimenia incognita, Castelnau, 1843. Syst. 

 Sil. Probably a fragment of Phrag- 

 moceras or Oncoceras. 

 Oncocekas brevicurvatum, Whitfield, 1880, 

 Ann. Kep. Geo. Sur. Wis., Trenton 

 Gr. [Sig. short curved] 

 mummiforme, Whitfield, 1880, Ann. Rep. 

 Geo. Sur. Wis. Trenton Gr. Sig. 

 mvimmiform.] 

 Okthocbkas acicula, refer to Goleolus 

 aoicula. 

 amyous. Hall, 1879, Desc. New Spec. 

 Foss., Niagara Gr. [Ety. mythologi- 

 cal name.] 

 ^ anguis, Hall, 1879, Pal. N. Y., vol. 5, 

 Chemung Gr. [Sig. a serpent.] 

 annulato-costatnm, Meek & Worthen, is 



O. randolphense. 

 arcuatellum, Sandberger, identified by 



\ 



Winchell, in Am. Jour. Sci. & Arts, 



in 1862, is not an American species. 



Orthoceras atreus, Hall, 1879, Pal. N. Y., 



„^ vol. 5, Portage Gr. [Ety. mythological 



name.] 



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



Ham. Gr. [Sig. a furrow.] 

 bebryx var. cayuga, Hall, 1877, Pal. N. 

 "^ Y., vol. 5, Chemung Gr. [Ety. proper 

 name.] 

 beloitense, Whitfield, 1878, Ann. Eep. 

 Geo. Sur. Wis., Trenton Gr. [Ety. 

 proper name.] 

 ^bipartitiim. Hall, 1879, Pal. N.Y.,vol. o,_ 

 Up. Chemung Gr. [Sig. two parted.] 

 ^cselamen, Hall, 1879, Pal. N. Y., vol. 5, 

 Ham. Gr. [Sig. a bass relief.] 

 cancellatum, Hall, refer to O. subcan- 



cellatum. 

 carltonense, Whitfield, 1878, Ann. Kep. 

 Geo. Sur. Wis., Niagara Gr. [Ety. 

 proper name.] 

 -.-ijarnoBum, Hall, 1879, Pal. N. Y., vol. 5, 



Schoharie Grit. [Sig. fleshy.] 

 .^ chemungense andO. indianense are from 



the Kinderhook Gr. 

 \cingiilum, Hall, 1879, Pal. N. Y., vol. 5, 

 Schoharie Grit. [Sig. a zone.] 

 clavatum. Hall, refer to O. desideratum. 

 ~ cochleatum. Hall, 1879, Pal. N. Y., vol. 

 5, Chemung Gr. [Sig. screw formed.] 

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

 Schoharie Grit. [Sig. collected.] 

 columnare. Hall, refer to O. orus. 

 conicum, Castelnau, 1843, Syst. Sil., Ni- 

 agara Gr. [Sig. conical.] 

 constriotum, Vanuxem, 1842, Geo. Kep. 

 3d Dist. N. Y., Ham. Gr. [Sig. con- 

 stricted.] 

 constrictum, Conrad. Not defined so as 

 to be recognized, and it may be strick- 

 en from the list, 

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

 '^^ Schoharie Grit. [Ety. proper name.] 

 dawsonanum, n.sp , Carboniferous. Pro- 

 posed instead of O. perstrictum, Daw- 

 son, in Acadian Geology, p. 312, fig. 

 129, as the name was preoccupied by 

 Barrande. 

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

 Chemung Gr [Sig. at Inst, solely.] 

 elegantulum is in vol. 5, Can. Nat., and 



from the Up. Sil. 

 flliforme, Castelnau, 1843, Syst. Sil., Ni- 

 agara Gr. [Sig. filiform.] 

 ^ fluctum. Hall. 1879, Pal. N. Y . vol. 5, 

 Schohnrie Grit. [Sig. waved.] 

 ^.^fulgidum. Hall, 1879, Pal. N. Y., vol. .5, 

 Chemung Gr. [Sig. shining.] 

 fustis. Hall, 1879, Pal. N. Y., vol. '\ 



Maroellus shale. [Sig. a club.] 

 griffithi, Haughton, 1857, Jour. Key. 

 Dub. Soc, vol. 1, Devonian. V [Ety. 

 proper name.] 

 harttanum, n. sp., Carboniferous Pro- 

 posed instead of O. laqueatum, Hartt, 



