162 



GASTEROPODA. 



nais, Hall, 1862, (Gyroceras nais) 15th 



Reg. Rep. N, Y., Chemung Gr. [Ety. 



mythological name.] 



nodosa, Hall, 1860, Supp. to vol. 1, pt. 2, 



Iowa Geo. Sur., Kinderhook Gr. [Sig. 



knotty.] 

 obliquinoda, White, 1862, Proc. Bost. 



Soc. Nat. Hist., vol. 9, Chemung Gr. 



[Sig. oblique-knotted.] 

 rectinoda, Winchell, 1863, Proc. Acad. 



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



noded.] 

 (?) rotatoria, Hall, 1876, Illust. Devonian 



Foss., Up. Held. Gr. [Sig. whorled.] 

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



Up. Held. Gr. [Ety. proper name.] 

 senex, see Platyceras senex. 

 Pupa, Humphrey, 1797, Museum Calonni- 



anum. [Ety. Pupa, chrysalis shell.] 

 vermilionensis, Bradley, 4872, Am. Jour. 



Sci., 3rd series, vol. 4, Coal Meas. 



[Ety. proper name.] 

 vetusta, Dawson, I860, Quar. Jour. Geo 



Soc, vol. 16, Coal Meas. [Sig. ancient.] 

 Raphistoma~ Hall, 1847, Pal. N. Y, vol. 1 



[Ety. raplie, seam or suture ; stoma 



mouth.] 

 apertum, Salter, 1859, Can. Org. Rem., De- 

 cade 1, Black Riv. & Trenton Gr. 



[Sig. open.] 

 labiatum, Emmons, 1842, (Maclurea labi- 



ata) Geo. Rep. N. Y., Calciferous Gr. 



[Sig. having lips.] 

 lapicida, Salter, 1859, Can. Org. Rem., 



Decade 1, Black Riv. & Trenton Gr. 



[Ety. from its resemblance to Helix 



lapicida."] 

 lenticulare, Emmons, 1842, (Pleuroto 



maria lenticularis) Geo. Rep. N. Y., 



Trenton & Hud. Riv. Gr. [Sig. lens- 

 shaped.] 

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



Chazy Gr. [Sig. having plane striae.] 

 planistria var. parvum, Hall, 1847, Pal. 



N. Y., vol. 1, Chazy Gr. [Sig. small.] 

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



Chazy Gr. [Sig. thready; having refer- 

 ence to the thread like striae on the 



surface.] 

 striatum, Emmons,! 842, (Macluria striata) 



Geo. Rep. N. Y, Chazy Gr. [Sig. 



striated.] 

 subplanum, Shumard, 1863, Trans. St. 



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



somewhat flat.] 

 Scalites, Conrad, 1842, Geo. Rep. N. Y. by 



Emmons. [Ety. scala, a stair case.] 

 angulatus, Conrad, 1842, Geo. Rep. N. Y. 



by Emmons, Chazy Gr. [Sig. an- 



gular.] 

 Solarium, Lamarck, 1801, Syst. An. sans 



Vert. 

 leai, one of Troost's catalogue names. 

 Soleniscus, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil. [Ety. soUniskos, 



a little channel or gutter.] 



hallanus, Geinitz, 1866, (Macrocheilus 



hallanus) Carb. und Dyas in Neb., 



Coal Meas. [Ety. proper name.] 

 typicus, Meek & Worthen, 1860, Proc, 



Acad. Nat. Sci. Phil., Up. Coal Meas. 



[Ety. the type of the genus.] 

 Straparollina, Billings, 1865, Pal. Foss., 



vol. 1. [Ety. from the resemblance 



to shells of the genus Straparollus.'] 

 asperostriata, Billings, 1860, (Straparol- 



lus asperostriatus) Can. Nat. & Geol., 



vol. 5, Black Riv. Gr. [Sig. roughly 



striated.] 

 circe, Billings, 1860, (Straparollus circe) 



Can. Nat. & Geol., vol. 5, Black Riv. 



Gr. [Ety. mythological name.] 

 eurydice, Billings, 1860, (Straparollus 



eurydice) Can. Nat. & Geol., vol. 5, 



Black Riv. Gr. [Ety. mythological 



name.] 

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



Quebec Gr. [Sig. belonging to the 



deep sea.] 

 remota, Billings, 1874, Pal. Foss-., vol. 2, 



Potsdam Gr. [Sig. remote, at a dis- 

 tance.] 

 Straparollus, Montfort, 1810, Conch. Syst., 



vol. 2. [Ety. strabos, turned about.] 

 angulatus, Emmons, 1856, Am. Geo. 



Chazy Gr. [Sig. angular.] 

 asperostriatus, see Straparollina asperos- 

 triata. 

 barrisi, Winchell, 1863, Proc. Acad. Nat. 



Sci. Phil., Chemung Gr. [Ety. proper 



name.T, 

 canadensis, Billings, 1861, Can. Jour., 



Devonian. [Ety. proper name.] 

 circe, see Straparollina circe. 

 clymenioides, see Euomphalus clymehioi- 



des. 

 cornudanus, Shumard, 1859, Trans. St. 



Louis Acad. Sci., Coal Meas. [Ety. 



proper name.] 

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



Guelph Gr. [Ety. mythological 



name.] 

 eurydice, see Straparollina eurydice. 

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



Guelph Gr. [Ety. mythological name.] 

 labiatus, Emmons, 1856, Am. Geo., Chazy 



Gr. [Sig. lipped.] 

 lens, Hall, 1860, (Euomphalus lens) 13th 



Reg. Rep., Kinderhook Gr. [Sig. lens- 

 shaped.] 

 macromphalus, Winchell, 1863, Proc. 



Acad. Nat. Sci. Phil., Chemung Gr. 



[Sig. having a large umbilicus.] 

 magnificus, Shumard, 1863, Trans. St. 



Louis Acad. Sci., Carboniferous. [Sig. 



magnificent.] 

 minnesotensis, Owen, 1852, Geo. Sur. 



Wis., Iowa and Minn., Calcif. Gr. 



[Ety. proper name.] 

 mopsus, Hall, 1867, 20th Reg. Rep., Ni- 

 agara Gr. [Ety. mythological name.] 

 niagarensis, Hall & Whitfield, 1875, Ohio 



Pal., vol. 2, Niagara Gr. [Ety. proper 

 name.] 



