148 



GASTEROPODA. 



EuNBMA, Salter, 1859, Can. Org. Rem., Decade 



1. [Ety. eu, beautiful; rj^rna, a line.] 

 cerithioides, Salter, 1859, Can. Org. Rem., 



Decade 1, Black Riv. Gr. [Sig. like 



the genus Cerithium.l 

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



Black Riv. Gr. [Ety. mythological 



name. ] 

 pagoda, Salter, 1859, Can. Org. Rem., 



Decade 1, Black Riv. Gr. [Sig. an 



image of a supposed deity.] 

 priscum, Billings, 1859, Can. Nat. & Geo., 



vol. 4, Corniferous Gr. [Sig. old or 



ancient.] 

 salteH, see Orthonema salteri. 

 strigillatum, Salter, 1859, Can. Org. Rem., 



Decade 1, Black Riv. Gr. [Sig. fur- 

 rowed, fluted.] 

 trilineatum. Hall, 1867, 20th Reg. Rep., 



Niagara Gr. [Sig. three-lined.] 

 EuoMPHALUs, Sowerby, 1814, Min. Conch., 



vol. 1. [Ety. eu, wide; omphalos, um- 

 bilicus.] 

 boonensis, Swallow, 1863, Trans. St. Louis 



Acad. Sci., Low. Carb. [Ety. proper 



name.] 

 catilloides, Conrad, 1842, (Inachus catil- 



loides) Jour. Acad. Nat. Sci., vol. 8, 



Coal Meas. [Sig. like E. catillus.] 



The name was preoccupied by Ko- 



ninck in 1841. 

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



Schoharie grit. [Sig. like a shell of 



the genus Clymenia.'] 

 comes. Hall, 1876, lUust. Devonian Foss., 



Ham. Gr. [Sig. an associate.] 

 conradi, syn. for Euomphalus decewi. 

 cyclostomus. Hall, 1858, Geo. Rep. Iowa, 



vol. 1, pt. 2, Ham. Gr. [Sig. having a 



circular mouth.] 

 decewi, Billings, 1861, Can. Jour., Cornif. 



Gr. [Ety. proper name.] 

 depreasm, Hall, 1843, Geo. Rep. 4th Dist. 



N. Y., Low. Carb. The name was 



preoccupied by Goldfuss in 1832. 

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



Low. Held. Gr. The name was pre- 

 occupied by Goldfuss. 

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



Ham. Gr. [Ety. proper name.] 

 exortivus, Dawson, 1868, Acad. Geol., 



Carb. [Sig. eastern.] 

 expansus, Conrad, 1842, Jour. Acad. Nat. 



Sci., vol. 8, Up. Sil. [Sig. expanded.] 

 hecale. Hall, 1876, lUust. Devonian Foss., 



Chemung Gr. [Ety. mythological 



name.] 

 Jiemispherica, see Platystoma hemispher- 



icum. 

 inops. Hall, 1876, Illust. Devonian Foss., 



Up. Held. Gr. [Sig. meagre.] 

 latus. Hall, 1858, Geo. Rep. Iowa, Bur- 

 lington Gr. [Sig. broad.] 

 laxus, Hall, 1862, 15th Reg. Rep. N. Y., 



Cornif. & Ham. Gr. [Sig. loose.] 

 lens, see Straparollus lens, 

 obtusus. Hall, 1858, Geo. Rep. Iowa, Kin- 



derhook Gr. [Sig. obtuse.] 



perspectivus. Swallow, 1863, Trans. St. 

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

 thoroughly viewed.] 



pervetus, Conrad, 1843, (Inachus perve- 

 tus) Proc. Acad. Nat. Sci., vol. 1, 

 Trenton Gr. [Sig. very ancient.] 



pervetustus, Conrad, 1839, (Cyclostoma 

 pervetusta) Ann. Rep. N. Y., Medina 

 sandstone. [Sig. very ancient.] 



planidorsatus, see Straparollus planidor- 

 satus. 



planispira, see Straparollus planispiratus. 



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

 Ham. Gr. [Sig. having a plane disc] 



profundus, see Bucania profunda. 



quadnvolvis, see Straparollus quadrivolvis. 



roberti. White, 1862, Proc. Bost. Soc. Nat. 

 Hist., vol. 9, BurUngton Gr. [Ety. 

 proper name.] 



rotuliformis. Meek, 1870, Proc. Acad. Nat. 

 Sci., Calciferous Gr. [Sig. wheel- 

 shaped.] 



rotundus, see Pleurotomaria rotunda. 



rudis. Hall, 1876, Illust. Devonian Foss., 

 Ham. Gr. [Sig. rough.] 



rugselineatus,see Cyclonema rugselineatum. 



rugoms, see Straparollus rugosus. 



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

 Low. Held. Gr. [Sig. wavy.] 



spergenensis, see Straparollus spergenensis. 



spergenensis var. planorbiformis, see Stra- 

 parollus spergenensis var. planorbi- 

 formis. 



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

 Ham. Gr. [Sig. spiral- whorl.] 



springvalensis. White, 1876, Proc. Acad. 

 Nat. Sci., Kinderhook Gr. [Ety. 

 proper name.] 



subplanus, Hall, 1852, Stans. Ex. to Gt. 

 Salt Lake, Coal Meas. [Sig. somewhat 

 flat.] 



sulcatus. Hall, 1843, Geo. Rep. 4th Dist. 

 N. Y., Onondaga Gr. [Sig. furrowed.] 



tioga. Hall, 1876, Illust. Devonian Foss., 

 Chemung Gr. [Ety. proper name.] 



triliratus, Conrad, 1843, Proc. Acad. Nat. 

 Sci., Trenton Gr. [Sig. three-lined.] 



trochiscus, Meek, 1870, I*roc. Acad. Nat. 

 Sci., Calciferous Gr. [Sig. wheel- 

 shaped.] 



umhilicatus, see Straparollus umbilicatus. 



uniangulatus, see Ophileta uniangulata. 



vaticinus, Hall, 1863, 16th Reg. Rep. N. 

 Y., Potsdam Gr. [Sig. prophetical.] 



whitneyi, see Straparollus whitneyi. 

 FusisPiRA, Hall, 1871, Pamphlet. [Ety. 

 fiisus, a spindle; spira, a spire.] 



elongata, Hall, 1871, Pamphlet, Trenton 

 Gr. [Sig. lengthened, drawn out.] 



subfusiformis. Hall, 1847, (Murchisonia 

 subfusiforme) Pal. N. Y., vol. 1, Tren- 

 ton and Hud. Riv. Gr. [Sig. some- 

 what spindle-shaped.] 



terebriformis. Hall, 1871, Pamphlet,Cin'ti 

 Gr. [Sig. like an auger or piercer.] 



ventricosa. Hall, 1871, Pamphlet, Trenton 

 Gr. [Sig. bulging out.] 



