68 



POLYPI. 



cincinnatiensis, James, 1875, (Chetetes 

 cincinnatiensis) Int. Catal. Cin. Foss. 

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



clavicoides, James, 1875, (Chetetes clavi- 

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

 Gr. [Sig. club-shaped.] A vwy doubt- 

 ful species. 



dalii, Edwards & Haime, 1851, (Chetetes 

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

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



decipiens, Rominger, 1866, (Chetetes de 

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

 Cin'ti Gr. [Sig. doubtful.] 



delicatula, Nicholson, 1874, (Chetetes 

 delicatulus) Quar. Jour. Geol. Soc, 

 vol. 30, Cin'ti Gr. [Sig. slender.] 



discoidea, Nicholson, 1875, (Chetetes dis- 

 coideus) Ohio Pal., vol. 2, Cin'ti Gr. 

 [Sig. disc-like.] 



fibrosa, G o 1 d f u s s , 1826, ( Calamopora 

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

 Gr. [Sig. fibrous.] 



fletcheri, Edwards & Haime, 1851, (Che- 

 tetes fletcheri) Pol. Foss. des Terr. 

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



frondosa, D'Orbigny, 1850, Prodr. des 

 Palseont, Cin'ti Gr. [Sig. branchy.] 



gracilis, Nicholson, 1874, (Chetetes" gra- 

 cilis) Quar. Jour. Geo. Soc, vol. 30, 

 Cin'ti Gr. [Sig. slender.] 



jamesi, Nicholson, 1874, (Chetetes jamesi) 

 Quar. Jour. Geo. Soc, vol. 30, Cin'ti 

 Gr. [Ety. proper name.] 



lvcoperdon, Sav, 1847, (Favosites lycoper- 

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

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

 shaped.] 



mammillata, D'Orbigny, 1850, Prodr. de 

 Paheont, Cin'ti Gr. [Sig. covered 

 with nipples — mammillated.] 



monticula, White, 1876, Proc. Acad. Nat. 

 Sci., Devonian. [Sig. small conical 

 projections.] 



newberryi, Nicholson, 1875, (Chetetes 

 newberryi) Ohio Pal. vol. 2, Cin'ti Gr. 

 [Ety. proper name.] 



nodulosa, Nicholson, 1874, (Chetetes nodu- 

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

 Cin'ti Gr. [Sig. covered with small 

 knots.] 



o'nealli, James, 1875, (Chetetes o'nealli) 

 Int. Catal. Cin. Foss., Cin'ti Gr. [Ety. 

 proper name.] 



ortoni, Nicholson, 1874, (Chetetes ortoni) 

 Quar. Jour. Geol. Soc, vol. 30, Cin'ti 

 Gr. [Ety. proper name.] 



pavonia, D'Orbigny, 1850, (Ptylodictya 

 pavonia) Prodr. de Palaeont., Cin'ti 

 Gr. [Ety. Pavonia, a genus of polyps.] 



petechialis, Nicholson, 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.] 



rugosa, Hall, 1847, (Chetetes rugosus) 

 Pal. N. Y., vol. 1, Cin'ti Gr. [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 

 Sigillaria.'] 



subpulchella, Nicholson, 1875, (Chetetes 

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

 Gr. [Sig. somewhat like M.pulchella.~] 



tuberculata, Edwards & Haime, 1851, 

 (Chetetes tuberculatus) Pol. Foss. des 

 Terr. Paleeoz., Cin'ti Gr. [Sig. tuber- 

 culated.] 

 Nebulipora, McCoy, 1850, Ann. &Mag. Nat. 

 Hist., 2d ser., vol. 6. [Ety. nebula, 

 thick-mist; pora, a pore.] 



papillata, McCov, 1850, Ann. & Mag. Nat. 

 Hist., 2d ser^ vol. 6, Cin'ti Gr. [Sig. 

 covered with papilli.] 

 Nemagraptus, Emmons, (Nemagrapsus) 

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

 uses the termination graptus, because 

 grapsus is used in the nomenclature 

 of Crustacea. [Ety. nema, 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- 

 lithus gracilis or of some similar species. 

 [Sig. like a hair.] 



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

 Quebec Gr. [Sig. elegant.] 

 Nereograptus, Geinitz, 1852, Die Versteiner- 

 ungen der Grauwacken — formation, 

 etc. [Ety. Nereis, existing annelids ; 

 grapho, to write.] 



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

 bec Gr. [Ety. proper name.] 



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

 bec Gr. [Sig. slender.] 



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

 bec Gr. [Ety. proper name.] 



lanceolatus, Emmons, 1856, Am. Geol.. 

 Quebec Gr. [Sig. lanceolate.] 



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

 bec Gr. [Ety. proper name.] 



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

 bec Gr. [Sig. a fist.] 



robustus, 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- 

 pliax, (?) a precious stone.] 



congregata, Billings, 1866, Catal. Sil. Foss. 

 Antic, Clinton and Niagara Gr. [Sig. 

 congregated together.] 



drummondi, Billings, 1866, Catal. Sil. 

 Foss. Antic, Clinton & Niagara Gr. 

 [Ety. proper name.] 



