154 



GASTEROPODA. 



turritella, Hall, 1858, Trans. Alb. Inst., 



vol. 4, Warsaw G r . [Sig. a little 



tower.] 

 turritiformis, Hall, 1852, Pal. N. Y., vol. 



2, Guelph Or. [Sig. like a tower.] 

 uniangulata, Hall, 1847, Pal. N. Y., vol. 



1, Trenton & Hud. Riv. Gr. [Sig. 



having one angular line.] 

 uniangulata vai: abbreviata, Hall, 1847, 



Pal, N. Y., vol. 1, Hud. Riv. Gr. [Sig. 



comparatively shortened.] 

 variaus, Billings, 1857, Rep. of Progr., 



Hud. Riv. Gr. [Sig. variable.] 

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



Birdseye Gr. [Sig. varicose.] 

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



Black Riv. & Trenton Gr. [Sig. ven- 



tricose.] 

 vermicula. Hall, 1858, Trans. Alb. Inst, 



vol. 4, Warsaw Gr. [Sig. worm- 

 shaped.] 

 vesta, Billings, 1862, Pal. Foss., vol, 1, 



Calciferous Gr. [Ety. mythological 



name.] 

 vitellia, Billings, 1862, Pal. Foss., vol. 1, 



Guelph Gr. [Ety. proper name.] 

 I'lllala, see Fusispira vittata. 

 Xanthippe, Billings, 1862, Pal. Foss., vol, 



1, Guelph Gr. [Ety. proper name.] 

 Naliru, Adanson, 1757, Histoire Xaturelle 



du Senegal, etc. [Ety. nato, to swim 



with a fluctuating motion.] This genus 



is unknown in Palreozoic rocks. 

 rilloiifii^is, see Naticopsis altonensis. 

 iraii'i/cuia, see Xaticopsis carleyana. 

 rjieslo'eiisix, see Naticopsis chesterensis. 

 lilUminm, see Naticopsis littonana. 

 niagisli'r, syn. for Naticopsis ventricosa. 

 .■i/tumanli, see Naticopsis shumardl. 

 i-'cntrivDsa, see Naticopsis ventricosa. 

 Naticopsis, McCoy, 1K44, Synop.Carb. Foss., 



Ireland, [l''ty, from resemblance to 



the genus Niilira.'\ 

 wquistriata, I\Ieek, 1873, Ohio Pal., vol. 



1, Cornif. Gr, [Sig. having equal 



strife.] 

 altonensis, McCliesne}', 1865, (Natica 



altonensis) Desc. New Pal. Foss., Coal 



I\Iea,s, [Ety. proper name.] 

 carleyana, Hall, 1858, (Natica carleyana) 



Trans. .Mb. Inst., vol. 4, Warsaw Gr. 



[Ety. proper name,] 

 chesterensis. Swallow, 1863, Trans. St. 



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



]jroper name.] 

 crctacea, Hall, 1873, 23rd Reg. Rep. N.Y., 



Cornif. Gr. [Sig. chalk-like.] 

 depressa, Winchell, 1863, Proc. Acad. 



Nat. Sci., Chemung Gr. [Sig. de- 

 pressed.] 

 dispassa, Dawson, 1868, Acad. Geol., 



Car])onif. [Sig. much spread out.] 

 gigantea. Hall, 1873, 23rd Reg. Rep. N. 



Y., C!henmng Gr. [Sig. unusually 



large.] 

 liolJi(hii/i, see Trachydomia hollidayi. 

 liowi, Hartt, 1868, Acad. Geol., Carboni- 

 ferous. [Ety. proper name.] 



humilis. Meek, 1871, (Isonema humilis) 



Proc. Acad. Nat. Sci. Phil., Cornif. 



Gr. [Sig. small, dwarfish.] 

 lajvis, Meek, 1871, Proc. Acad. Nat. Sci., 



Cornif. Gr. [Sig. smooth.] 

 littonana. Hall, 1858, (Natica littonana) 



Trans. Alb. Inst., vol. 4, Warsaw Gr. 



[Ety. proper name.] 

 maghiler, syn. for N. ventricosa. 



nana. Meek & Worthen, 1860, (Platys- 



toma nana) Proc. Acad, Nat. Sci., Coal 



Meas. [Sig. dwarfish.] 

 nodosa, see Trachydomia nodosa, 

 pricei, Shumard, 1858, Trans. St. Louis 



Acad. Sci., Up. Coal J\Ieas. [Ety. 



proper name.] 

 remex. White, 1876, Geo. Uinta Moun- 

 tains, Low. Aubrey Gr. [Sig. a rower.] 

 shumardi, McChesney, 1860, (Natica 



shumardi) Desc. New Pal. Foss., Coal 



Meas. [Ety. proper name.] 

 subovata, Worthen, 1873, Geo. Sur. 111., 



vol. 5, Coal Meas. [Sig. somewhat 



ovate.] 

 ventricosa, Norwood & Pratten, 1855, 



(Natica ventricosa) Jour. Acad. Nat. 



Sci., Coal Meas. [Sig. ventricose.] 

 wheeleri. Swallow, 1860, (Littorina 



wheeleri) Trans, St. Louis Acad. Sci., 



Coal j\Ieas. [Ety. proper name.] 

 Omphahlrochys, Meek, 1864, Geo. California. 



A name proposed as a subgenus of 



Euomphalus or Stiiiparolhi--(. 

 Ophilbta, Vanuxem, 1842, (jeo. Rep. N, Y. 



[Ety. opim, a snake.] 

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



Quebec Gr. [Sig. concealed.] 

 (?) bella, Billings, 1865, Pal. Foss., vol. 1, 



(iuebec Gr. [Sig. beautiful.] 

 compacta, Salter, 1859, Can. Org. Rem., 



Decade 1, Calciferous Gr. [Sig. com- 

 pact.] 

 complanata, Yanuxem, 1842, (reo. Rep. 



N.Y., Calciferous Gr. [Sig. smoothed.] 

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



Calciferous Gr. [Sig. disjoined.] 

 levata, Vanuxem, 1842, Geo. Rep. N. Y., 



Calciferous Gr. [Sig. polished, 



smoothed.] 

 nerine, Billings, 1805, Pal. Foss., vol. 1, 



Quebec Gr. [Ety. mythological name.] 

 ottawaensis, Billings, 1860, Can. Nat. & 



Geol., vol. 5, Trenton Gr. [Ety. my- 

 thological name.] 

 owenana, ileek & AVorthen, 1868, Geo. 



Sur. Ill, vol. 3, Galena Gr. [Ety, 



proper name, ] 

 profunda, Billings, 1805, Pal, Foss,, vol. 1, 



Quebec Gr. [Sig, deep.] 

 sordida. Hall, 1847, (Maclurea sor<lida) 



Pal. N. Y., vol. 1, Calciferous C4r. [Sig. 



paltry.] 

 uniangulata. Hall, 1847, (Euomphalus uni- 



angulatus) Pal, N. Y., vol, 1, Calcifer. 



Gr. [Sig. one angled ; from the angu- 

 lar line on one whorl.] 



