150 



GASTEROPODA. 



lichas, Hall, 1861, (Platyostoma lichas) 



14th Reg. Rep. N. Y., Up. Held. Gr. 



[Ety. mythological name.] 

 LiUorlitn, Ferusaac, ISlil, Tab. Syst. An. 



MoUusques, etc. 

 (inliqna, see Holopea antiqua. 

 cinicellata, see Cyclonema caneellatum. 

 vheeh'ri, see Naticopsis wheeleri. 

 LoxoNEMA, Phillips, 1811, Pal. Foss. [Ety. 



lo.ros, oblique; nema, a thread.] 

 aculeatum, Billings, 186G, Catal. Sil. Foss. 



Antic, Anticosti (ir. [Sig. sharp- 

 pointed.] 

 acutulum, Dawson, 1868, Acad. Geol., Car- 

 boniferous, [yig. somewhat sharp- 

 pointed.] 

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



Low. Held. Gr. [yig. attenuated.] 

 hellutula, see Isonema bellatula. 

 bellona. Hall, 1876, lUust. Devonian Foss., 



Ham. Gr. [Ety. proper name.] 

 boydl, see Murchisonia boydi. 

 carinatum, Stevens, l.S.TiS, ,Vm. .lour. J^oi., 



2d series, vol. 2.5, L'oal Meas. [Sig. 



keeled.] 

 cerithiforme, Meek & Wdrthen, 1860, 



Proc. Acad. Nat. Sci., Coal Jleas. 



[Sig. like a, shell of the genus Ceritli- 



iuni.] 

 coaptum. Hall, 1876,Illust.DevonianFoss., 



Ham. Gr. [Sig. closely-joined.] 

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



Low. Held. Gr. [Sig. compact.] 

 danvillense, Stevens, 1838, Am. Jour. 



Sci., vol. 25, Coal Meas. [Ety. proper 



name.] 

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



Ham. Gr. [Ety. mythological name.] 

 fasciatum. King, 185(i, Permian Foss., 



Permian Gr. [Siu'. banded.] 

 fitchi. Hall, 1859, Pal.X. Y., vol. 3, Low. 



Held. Gr. [Ety. proper name.] 

 halll, Norwood & Pratten, 1S55, Jour. 



Acad. Nat. Sci., 2d series, vol. 3, Coal 



Meas. [Ety. proper name.] 

 hamiltoniae, Hall, 1862, :5th Reg. Rep., 



Ham. Gr. [Ety. proper name.] 

 hydraulicum. Hall, 1872, 24th Reg. Rep., 



Ham. Gr. [Ety. from the hydraulic 



limestone.] 

 inoniala, see Polyphemopsis inornata. 

 leda. Hall, 1868, 20th Reg. Reii. N. Y., 



Niagara Gr. [Ety. mythological name.] 

 minutum, Stevens, 1858, Am. Jour. Sci., 



2d series, vol. 25, Coal ^leas. [Sig. 



minute.] 

 multicostatum. Meek & Worthen, 1861, 



Proc. Acad. Nat. Sci., Coal JMeas. [Sig. 



many-ribbed.] 

 murrayanum, Salter, 1859,C'an.Org.Rem., 



Decade 1, Black Riv. Cir. [Ety. proper 



name.] 

 newberryi, see Macrocheilus newberryi. 

 nexile, Phillips, 1841, Pal. Foss., Ham. 



Gr. [Sig. interlaced.] American 



species. (?) 

 nitidula, Bee Polyphemopsis nitidula. 



nodosum, Stevens, 1858, Am. Jour. Sci., 2d 



ser., vol. 2.'), Coal IMeas. [Sig. knotted.] 

 obtusum. Hall, 18.59, Pal. N. Y., vol. 3, 



Low. Held Gr. [Sig. obtuse.] 

 oligospiratum, Winchell, 1863, Proc. Acad. 



Nat. Sci., Chemung Gr. [Sig. having 



few whorls.] 

 pexatum. Hall, 1.8(il, 14th P.eg. Rep., Up. 



Held Gr. [Sig. clothed in a shell with 



a nap on it.] 

 pexatum ntr. obsoletum, Hall,1876,lllust. 



Devonian Foss., Up. Held. Gr. [Sig. 



obsolete.] 

 planogyratum, Plall, 1S39, Pal. N.Y'., vol.3. 



Low. Held. ( ir. [Sig. flattened whorl ; 



from the flattening of the upper side 



of the last volution.] 

 poUtum, Stevens, 1.^58, Am. Jour. Sci., 2d 



series, vol. 25, dial Meas. [Sig. 



siiiootlied.] 

 regulai-c, Co.x, 1857, Geo. Sur. Ky., vol. 3, 



Coal ;\Icas. [Sig. regular.] 

 robustum, Hall, LS(12, 15th Reg. Rep., Scho- 

 harie grit. [Sig. robust.] 

 rugosum, Meek <.>c "W.jrthen, 1860, Proc. 



Acad. Nat. Sci., Coal Meas. [Sig. 



wrinkled.] 

 scitula, :\reek & Worthen, 1860, Proc. 



Acad. Nat. Sci., Coal Meas. [Sig. 



neat, pi-etty.] 

 semicostaluiii, Meek, 1871, Proc.Aca. Nat. 



Sci., Coal Meas. [Sig. half-ribbed.] 

 solidum. Hall, isiii', 15th Reg. Rep., Scho- 

 harie grit. [Sig, solid.] 

 styliola, Hall, 1.S7(), Illust. Devon. Foss., 



Chemung Gr. [Sig. a, truncated 



column.] 

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



Schoharie grit. [SIl'. somewhat atten- 

 uated.] 

 suhulata, see Murchisonia subulata. 

 tenuicarinatum, Stevens, 1858, Am. Jour. 



Sci., 2nd scries, vol. 25, Coal Meas. 



[Sig. fine-lined.] 

 tereljra, Hall, 1876, Illust. Devon. Foss., 



Cheinung < Ir. [Sig. an auger.] 

 teres, Hall, 1871!, Illust. Devonian Foss., 



Coniiferuns Gr. [Sig. well-rounded.] 

 turritiformie, Hall, 1860, 13th Reg. Rep. 



N. Y., Ham. (.ir. [Sig. tower-like.] 

 vincta, Plall, l.s5s. Trans. Alb. Inst, vol. 



4, Warsaw (Jr. [Sig. girded.] 

 yandellanum, Hall, 1858, Trans. Alb. Inst. 



vol. 4, Warsaw Gr. [Ety. proper name.] 

 Maclui:e.\, LcSiieui', 1818,(Maclurites) Jour. 



Acad. Nat. Sci., vol. 1. [Ety. proper 



nam e. ] 

 acuminata, Billings, 1865, Pal. Foss., vol. 



1, Quebec Gr. [Sig. pointed.] 

 affinis, Billings, 1865, Pal. Foss., vol. 1, 



Quebec, (ir. [Sig. near to.] 

 atlantica, Billin^^s, INoO, Can. Nat. & Geo., 



vol. 4, Cha/.N' Gr. [Etv. proper name.] 

 bigsbyi. Hall, 18(jl, (ieo." Rep. AVis., Tren- 

 ton ( ir. [Ety. proper name.] 

 crenulata, Billings, 1865, Pal. Foss., vol. 

 1, Quebec Gr. [Sig. crenulated.] 



