174 



CEPHALOPODA. 



bullatum, (?) Sowerby, 1839, Murch. Sil. 



Syst., Trenton Gr. [Sig. puffed up.] 



byrnesi, S. A. Miller, 1875, Cin. Quar. 



Jour. Sci., vol. 2, Cin'ti Gr. [Ety. 



proper name.] 



cadmus, Billings, 1866, Catal. Sil. Foss. 

 Antic, Niagara Gr. [Ety. mytho- 

 logical name.] 



cameolare, McChesney, 1861, New Pal. 

 Foss., Niagara Gr. [Ety. (?).] 



canadense, Billings, 1857, Rep. of Progr., 

 Mid. Sil. [Ety. proper name.] Prof. 

 Billings proposed this name as a sub- 

 stitute for Huronia vertebralis for the 

 reason that Huronia is a syn. for Ortho- 

 ceras, and there is one O". vertebralis. 



cancellatum, Hall, 1852, Pal. N. Y., vol. 2, 

 Niagara Gr. The name was preoccu- 

 pied by Eichwald in 1842. 



capitolinum, Safford, 1869, Geo. of Tenn., 

 Trenton Gr. [Sig. a great tower.] 



carleyi, Hall & Whitfield, 1875, Ohio Pal., 

 vol. 2, Cin'ti Gr. [Ety. proper name.] 



catilina, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Ety. proper name.] 



cato, Billings, 1865, Pal. Foss., Quebec Gr. 

 [Ety. proper name.] 



catullus, Billings, 1865, Pal. Foss., Quebec 

 Gr. [Ety. proper name.] 



chemungense, Swallow, 1860, Trans. St. 

 Louis Acad. Sci., Chemung Gr. [Ety. 

 proper name.] 



chesterense, Swallow, 1863, Trans. St. 

 Louis Acad. Sci., St. Genevieve Gr. 

 [Ety. proper name.] 



chouteauense, Swallow, 1860, Trans. St. 

 Louis Acad. Sci., Chouteau Gr. [Ety. 

 proper name.] 



eincinnatiense, S. A. Miller, 1875, Cin. 

 Quar. Jour. Sci., vol. 2, Cin'ti Gr. 

 [Ety. proper name.] 



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

 Trenton Gr. [Sig. cross-barred.] 



clavatum, Hall, 1852, Pal. N. Y., vol. 2, 

 Clinton Gr. [Sig. club-shaped.] 



clavatum, Hall, 1859, Pal. N. Y., vol. 3, 

 Low. Held. Gr. The name was ap- 

 propriated. 



clinocameratum, Winchell, 1862, Am. 

 Jour. Sci., 2d series, vol. 33, Marshall 

 Gr. [Ety. clino, bent ; cameratus, 

 chambered.] 



clouei, Barrande, 1869, Syst. Sil. de Boh., 

 4me series, Quebec Gr. [Ety. proper 

 name.] 



colon, White, 1874, Rep. Invert. Foss., 

 Quebec Gr. [Ety. colon, the great in- 

 testine.] 



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

 Sur. Wis., Niagara Gr. [Sig. colum- 

 nar.] The name was preoccupied bv 

 Mark, in 1857. 



eonstrictum, Conrad, 1838, Ann. Rep. N. 

 Y., Ham. Gr. [Sig. constricted.] 



constrictum, Hall, see Oncoceras con- 

 strictum. 



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

 Utica and Hud. Riv. Gr. [Sig. bear- 

 ing a coral.] 



cornuum, Billings, 1857, Rep. of Progr., 

 Chazy Gr. [Sig. a horn.] 



crebescens, Hall, 1867, 20th Reg. Rep., Ni- 

 agara Gr. [Sig. frequent, increasing.] 



crebristriatum, Meek & Worthen, 1865, 

 Proc. Acad. Nat. Sci. Phil., Niagara 

 Gr. [Sig. closely-striated.] 



cribrosum, Geinitz, 1866, Carb. und Dyas 

 in Neb., Coal Meas. [Sig. full of holes, 

 like a seive.] 



crotalum, Hall, 1862, 15th Reg. Rep.,Ham. 

 Gr. [Sig. a rattle.] 



crocus, Billings, 1866, Catal. Sil. Foss. 

 Antic, Hud. Riv. Gr. [Ety. mytho- 

 logical name.] 



cuvieri, Troost, 1838, (Conotubularia 

 cuvieri) Mem. Soc Geo. de France 3, 

 Low. Sil. [Ety. proper name.] 



darwini, Billings, 1868, Pal. Foss., Guelph 

 Gr. [Ety. proper name.] 



decrescens, Billings, 1857, Rep. of Progr., 

 Black Riv. and Trenton Gr. [Sig. 

 decreasing, growing lessj 



defrancii, Troost, 1838, (Conotubularia 

 defrancei) Mem. Soc. Geo. de France 



3, Low. Sil. [Ety. proper name.] 

 deparcum, Billings, 1859, Can. Nat. & 



Geo., vol. 4, Calciferous Gr. [Sig. 



very scarce.] 

 diffidens, Billings, 1865, Pal. Foss., Chazy 



Gr. [Sig. diffident.] 

 dolatum, Dawson, 1868, Acad. Geol., 



Carb. [Sig. hewed.] 

 drummondi, Billings, 1865, Pal. Foss., 



Chazv Gr. [Ety. proper name.] 

 duseri, Hall & Whitfield, 1875, Ohio Pal., 



vol. 2, Cin'ti Gr. [Ety. proper name.] 

 dyeri, S. A. Miller, 1875,*Cin. Quar. Jour. 



Sci., vol. 2, Cin'ti Gr. [Ety. proper 



name.] 

 edax, Billings, 1865, Pal. Foss., Calcif. 



Gr. [Sig. voracious.] 

 elegantulum, Dawson, 1860, Can. Nat. & 



Geo., vol. 4, Low. Sil. [Sig. elegant.] 

 emaceratum, Hall, 1862, 15th Reg. Rep. 



N. Y., Ham. Gr. [Sig. thin.] 

 epigrus, Hall, 1858, Trans. Alb. Inst, vol. 



4, Low. Carb. [Sig. a wooden pin.] 

 eriense, Hall, 1877. The name is pro 



posed here instead of 0. robustum. 



Ham. Gr. [Etv. proper name.] 

 exile, Hall, 1862, 15th Reg. Rep., Ham. 



Gr. [Sig. small, slender.] 

 exornatum, Dawson, 1860, Can. Nat. & 



Geo., vol. 5, Up. Sil. [Sig. adorned.] 

 expansum, Meek & Worthen, 1860, Proc 



Acad. Nat. Sci. Phil., St. Louis Gr. 



[Sig. spread out.] 

 explorator, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Sig. a scout, an examiner.] 

 ferum, Billings, 1866, Catal. Sil. Foss. 



Antic, Hud. Riv. & Anticosti Gr. 



[Sig. wild, cruel.] 

 rlavius, Billings, 1865, Pal. Foss., Quebec 



Gr. [Ety. proper name.] 



