CEPHALOPODA. 



307 



Huronia stokesi, Castelnau, 1843, Syst. Sil. 



Schoharie Grit. Not recognized. 

 Lituites americanus, Emmons, 1856 (Hor- 



tholus americanus) Am. Geol., Black 



Riv. Gr. [Ety. proper name.] 

 convolvans, as identified by Hall, in Pal. 



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



americanus. 

 multicostatus, Whitfield, 1880. Ann. 



Rep. Geo. Sur. Wis., Niagara Gr. 



[Sig. many ribbed] 

 murchisoni, Troost. Not defined so as to 



be recognized. 

 Melia cancellatus, Emmons, 1856, Am. Geol. 



Not defined so as to be recognized. 

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



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



height.] 

 barrandi, Hall, being preoccupied by Von 



Hauer in 1850, N. magister has been 



proposed in its place, 

 burlingtonensis instead of Gyroceras 



burlingtonense . 

 cavus, 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. NY., 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. 



proper name.] 

 pauper, Whitfield, 1882, Desc. New Spec. 



Foss. from Ohio, Kaskaskia Gr. [Sig. 



poor] 

 subliratus instead of Gyroceras sublira- 



tum. 

 Nelimenia incognita, Castelnau, 1843. Syst. 



Sil. Probably a fragment of Phrag- 



moceras or Oncoceras. 

 Oncoceras brevicurvatum, Whitfield, 1880, 



Ann. Pep. Geo. Sur. Wis., Trenton 



Gr. [Sig. short curved ] 

 mummiforme, Whitfield, 18S0, Ann. Rep. 



Geo. Sur. Wis. Trenton Gr. Sig. 



mummiform.] 

 Orthoceras acicula, refer to Coleolus 



acicula. 

 amycus, 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-costatum, 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. Rep. 

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

 proper name.] 



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

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



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

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



cancellation, Hall, refer to O. subcan- 

 ce Datum. 



carltonense, Whitfield, 1878, Ann. Rep. 

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

 proper name.] 



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

 Schoharie Grit. [Sig. fleshy.] 



chemungense andO. indianense are from 

 the Kinderhook Gr. 



cingulum, 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.] 



constrictum, Vanuxem, 1842, Geo. Rep. 

 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. 



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

 agara Gr. [Sig. filiform.] 



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

 Schoharie Grit. [Sig. waved.] 



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

 Chemung Gr. [Sig. shining.] 



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

 Marcellus shale. [Sig. a club.] 



griftithi, Haughton, 1857, Jour. Roy. 

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

 proper name.] 



harttanum, n. sp., Carboniferous. Pro- 

 posed instead of O. laqueatum, Hartt, 



