58 



POLYPI. 



cinciiinatiensis, James, 1875, (Chetetes 

 cincinnatiensis) Int. Catal. Cin. Foss. 

 C'in'ti Gr. [Et}^ proper name.] 



elavicoides, .Tames, 18V"i, (Chetetes clavi- 

 coides) Int. Clatal. Cin. Foss., Cin'ti 

 <Tr. [Sin', club-shaped.] .V very doubt- 

 ful species. 

 f. dalii, Edwards & Haime, is.'il, (Chetetes 

 dalii) Pol. Foss. des Terr. Palpeoz., 

 Cin'ti Gr. [Ely. proper name.] 

 )^ <lecipiens, Rominger, -1866, (Clietetes de- 

 cipiens) Proc. Acad. Nat. Sci. Phil., 

 Cin'ti Gr. [Sig. doubtful.] 



delicatula, Xicholson, 1x74, (Chetetes 

 delicatulus) t,!uar. .Inur, Geol. See, 

 vol. 30, Cin'ti Gr. [Sij;. slender.] 



iliscoidea, Nicholson, 1.S75, (Chetetes dis- 

 .■oideus) (Ihid Pal., vol. 2, Cin'ti Gr. 

 [Sig. disc-like.] 



fibrosa, (roldfuss, 1S2B, (Calaniopora 

 fibrosa) Germ. Petref., Cin'ti to Clinton 

 Gr. [Sig. fibrous.] 

 % tietcheri, Edwards & Haime, Is.'il, (Clie- 

 tetes tletcheri) Pol. Foss. des Terr. 

 Palaioz. , Cin'ti Gr. [Ety. proper name.] 

 yfrondosa, D'Orbigny, 1850, Prodr. des 

 Palfeont, Cin'ti Gr. [Sji:. ))roiicliy.] 

 ^ gracilis, Nicholson, 1S74, (Chetetes gra- 

 '' cilis) (^uar. .Tour. Geo. Soc, vol. 30, 



Cin'ti < ir. [fiig, slender.] 

 y jamesi, Nicholson, 1874, (Clietetes jamesi) 

 i^iar. Jour. Geo. Soc, vol. 30, Cin'ti 

 Gr. [Ety. proper name.] 



Ivcoperdon, Sav, 1847, (Favosites lycoper- 

 don) Hall, Pal. N. Y., vol. 1, Trenton 

 & Hudson Eiv. Gr. [Sig. puff-ball- 

 shaped.] 

 •^ mammillata, H'Orbigny, 1850, Prodr. de 

 Palaeont, Cin'ti Gr. [Sig. covered 

 with nipples — mammillated.] 



monticula. White, 187H, Proc. Acad. Nat. 

 Sci., Devonian. [Sig. small conical 

 projections.] 



newberryi, Nicholson, 1S75, (Chetetes 

 newberryi) Ohio Pal. vol. 2, Cin'ti < ir. 

 [Ety. proper name.] 



nodulosa, Xicholson, 1.S74, ( Clietetes nodu- 

 losa) Quar. Jour. Oeol. Soc, vol. 30, 

 Cin'ti Gr. [Sig. covered with small 

 knots.] 

 t o'nealh, James, 1875, (Chetetes o'nealli) 

 Int. Catal. Cin. Fo.ss., Cin'ti Gr. [Ety. 

 proper name.] 

 .f ortoni, Nicholson, 1874, (Chetetes ortoni) 

 Quar. Jour. Geol. Soc, vol. 30, C'in'ti 

 Gr. [Ety. proper name.] 



pavonia, C'Orbigny, 1850, (Ptylodictva 

 pavonia) Prodr. de Palreont., Cin'ti 

 Gr. [Ety. Pa(vj)/»/, agenus of polyps.] 

 .^petechialis, Xicholson, 1875, (Chetetes 

 petechialis) Ohio Pal., vol. 2, Cin'ti 

 Gr. [Sig. spotted.] 



quadrata, Rominger, 1866, (Chetetes 

 quadratus) Proc. Acad. Nat. Sci. Phil., 

 Cin'ti Gr. [Sig. four cornered.] 

 Y rugosa, Hall, 1847, (Chetetes rugosus) 

 Pal. N. Y., vol. 1, Cin'ti (ti-. [Sig. 

 wrinkled.] 



rugosa, Edwards & Haime, 1851. The 



name was preoccupied, 

 .sigillarioides, Nicholson, 1875, (Chetetes 



sigillarioides) Pal. Ohio, vol. 2, Cin'ti 



Gr. [Ety. from its resemblance to 



Slgillaria.^ 

 subpulchella, Nicholson, 1875, (Chetetes 



subpulchellus) Ohio Pal., vol. 2, Cin'ti 



Gr. [Sig. somewhat like i[. imlrhMi.'] 

 tuberculata, Edwards & Haime, 1851, 



(Chetetes tuberculatus) Pol. Foss. des 



■Terr. Palseoz., Cin'ti Gr. [Sig. tuber- 



culated.] 

 Nebui.ipoea, McCoy, 1850, Ann. & Mag. Nat. 



Hist., 2d ser., vol. (i. [Ety. nebula, 



thick-mist; jjora, a pore.] 

 papillata, >rcCoy, 18.50, Ann. c% Mag. Nat. 



Hist., I'd ser.; vol. 6, Cin'ti Gr." [Sig. 



covered with papilli.] 



XEJiAGK.iPTUS, Emmons, ( Nemagrapsusl 

 1856, Am. C4eol., pt. 2. Prof. Hall 

 uses the termination graptvs, because 

 grapsijx is used in the nomenclature 

 of Crustacea. [Ety. iionii, a thread ; 

 grapho, to write.] 



capillaris, Emmons, 1856, Am. Geol., pt. 

 2, Quebec Gr. Prof. Hall says this 

 species is apparently part of a Grapto- 

 JiOiits gracilis or of some similar species. 

 [Sig. like a hair.] 



elegans, Elmmons, 1856, Am. Geol., pt. 2. 

 Quebec Gr. [Sig. elegant.] 

 X'eeeograptus, Gcinitz, 1852, Die Yersteiner- 

 ungen der Grauwacken — formation, 

 etc. [Ety. Xeri-ix, existing annelids; 

 ip-npliii, to write.] 



deweyi, Kiiimons, 1856, Am. Geol., Que- 

 bec Gr. [Ety. proper name.] 



gracilis, Emmons, 1856, Am. Geol., Que- 

 bec Gr. [Sig. slender.] 



jacksoni, Emmons, 1856, Am. Geol., <^^ue- 

 bec Gr. [Ety. proper name.] 



lanceolatus, Emmons, 1856, Am. Geol., 

 Quebec Gr. [Sig. lanceolate.] 



loomisi, Emmons, 1856, Am. Geol., Que- 

 bec (ir. [Ety. proper name.] 



pugnus, Emmons, 1856, Am. Geol., Que- 

 bec Gr. [Sig. a fist.] 



robiLstus, Emmons, 1856, Am. Geol., Que- 

 bec Gr. [Sig. robust.] 

 Oldhamia, Forbes, 1850, Dublin Geo. Jour. 

 [Ety. proper name.] 



antiqua, Forbes, 1850, Dublin Geo. Jour., 

 Potsdam Gr. [Sig. ancient.] 



fruticosa. Hall, 1865, Can. Org. Rem.- 



Decade 2, Trenton Gr. [Sig. branchy.] 



Omphyma, Rafinesque, 1820, Ann. des Sci. 



Phys. de Bruxelles, vol. 5. [Ety. om- 



phii-.r, (?) a precious stone.] 



congregata, Billings, 18ii6, Catal. Sil. Foss. 

 Antic, Clinton and Niagara Gr. [Sig. 

 congregated together.] 



drummondi, Billings, 1866, Catal. Sil. 

 Foss. Antic, Clinton & Niagara Gr. 

 [Ety. proper name.] 



