J 26 



BKACHtOfODA. 



eatoniiformis, McChesney, 1860, New 

 Pal. Foss,, Carb, [Ety. from a re- 

 semblance to Eatonia.'] 



emacerata, Hall, 1852, (Atrypa emacerata) 

 Pal. N. Y., vol. 2, Clinton Gr. [Sig. 

 made lean.] 



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

 Low. Held. Gr. [Sig. eminent, re- 

 markable. ] 



endlichi. Meek, 1876, U. S. Geo. Siir. of 

 Colorado, Up. Devonian. [Ety. proper 

 name.] 



eva, Billings, 1866, Catal. Sil. Foss., 

 Antic, Anticosti Gr. [Ety. proper 

 name.] 



evangelina, Hartt, 1868, Acad. Geol., 

 Low. Carb. [Ety. proper name.] 



excellens, Billings, 1874, Pal. Foss., vol. 

 2, Devonian, [Sig. excellent.] 



eximia, see Stenoschisma eximium. 



explanata, McChesney, 1860, Desc. New 

 Pal. Foss., Chester Gr. [Sig. made 

 plane or smooth,] 



fitchiana. Hall, 1857, 10th Reg. Rep.,Oris- 

 kanv sandstone, [Ety, proper name.] 



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

 Low. Held, Gr, [Sig. beautiful.] 



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

 Mid. Sil. [Sig. a small bird.] 



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

 Mid. Sil, [Sig. icy.] 



glansfagea, see Centronella glansfagea. 



grosvenori, Hall, 1858, Trans. Alb. Inst., 

 vol. 4, Warsaw Gr, [Ety, proper 

 name.] 



guadalupse, Shumard, 1858, Trans, St, 

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

 proper name,] 



heteropsis, Winch ell, 1865, Proc, Acad, 

 Nat, Sci., Chemung Gr. [Sig, of ir- 

 regular appearance.] 



Jiorsfordi, see Stenoschisma horsfordi. 



hubbardi, Winchell, 1862, Proc. Acad. 

 Nat. Sci., Marshall Gr. [Ety. proper 

 name.] 



huronensis, Winchell, 1862, Proc. Acad. 

 Nat. Sci., Portage Gr. [Ety. proper 

 name.] 



ida, Hartt, 1868, Acad. Geol., Low. Carb. 

 [Ety. proper name.] 



increbescens^ syn. for Rhynchonella capax. 



indentata, Shumard, 1859, Trans. St. 

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

 indented,] 



indianensis. Hall, 1863, Trans. Alb. Inst, 

 vol. 4, Niagara Gr. [Ety. proper 

 ' name,] 



insequiplicata, Plall, 1857, 10th Reg, Rep., 

 tip. Held. Gr. [Sig. unequally pli- 

 cated,] 



interplicata, Sowerby, 1839, (Terebratula 

 interplicata) Murch. Sil, Syst,, Niag- 

 ara Gr, [Sig. interplicated.] 



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

 Low. Held, Gr. [Sig. insignificant.] 



janea, Billings, 1866, Catal. Sil. Foss, 

 Antic, Anticosti Gr. [Ety. mytho- 

 logical name.] 



lacunesa. Not an American species, 

 lamellata. Hall, 1852, (Atrypa lamellataj 



Pal, N, Y,, vol, 2, Coralline limestone. 



[Sig. having thin plates.] 

 laura, Billings, syn. for Leiorhynchus 



multicostus, 

 macra. Hall, 1858, Trans. Alb. Inst., vol. 



4, Warsaw Gr. [Sig. long.] 

 marshallensis, Winchell, 1862, Proc.Acad, 



Nat, Sci,, Marshall Gr. [Ety. proper 



name.] 

 metallica. White, 1874, Rep, Invert,Foss,, 



Carb. [Sig. metallic] 

 mica, Billings, 1866, Catal. Sil. Foss, Anti,, 



Anticosti Gr, [Sig. a little crumb.] 

 micropleura, Winchell, 1865, Proc, Acad, 



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

 ribbed.] 

 missouriensis, Shumard, 1855, Geo. of 



Mo., Chemung Gr. [Ety. proper 



name.] 

 multistriata, Hall, 1857, 10th Reg. Rep., 



Oriskany sandstone. [Sig. many- 

 striated,] 

 mutabilis. Hall, 1857, 10th Reg. Rep., 



Low. Held. Gr. [Sig. variable.] 

 mutata, Hall, 1858, Trans. Alb. Inst., vol. 



4, Warsaw Gr. [Sig. changing,] 

 neglecta, Hall, 1852, Pal, N. Y., vol. 2, 



Niagara Gr, [Sig. overlooked.] 

 neglecta var. scobina, Meek, 1872, Am. 



Jour. Sci. & Arts, 3rd series, vol, 4, 



Clinton Gr. [Sig. a file.] 

 nobilis, Hall, 1859, Pal. N. Y., vol. 3, Low. 



Held. Gr. [Sig. notable.] 

 nucleolata. Hall, 1857, 10th Reg. Rep., 



Low. Held. Gr. [Sig. like a small nut.] 

 nutrix, Billings, 1866, Catal. Sil. Foss. 



Antic. , Anticosti Gr. [Sig. the breast, 



the pap.] 

 oblata. Hall, 1857, 10th Reg. Rep., Oris- 

 kany sandstone. [Sig, oblate, broader 



than long,] 

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



Ham. Gr. [Sig. old, obsolete,] 

 obtusiplicata, Hall, 1852, (Atrypa obtusi- 



plicata) Pal. N. Y., vol. 2, Niagara Gr. 



[Sig. having obtuse plications.] 

 orbicularis, see Stenoschisma orbiculare. 

 orientalis, Billings, 1859, Can. Nat. Geo., 



vol. 4, Chazy Gr. [Sig. eastern, in the 



eastern provinces.] 

 osagens'is, Swallow, 1858, syn. for Rhyn- 

 chonella uta. 

 ottumwa. White, 1862, Proc Bost. Soc 



Nat. Hist., vol. 9, St. Louis Gr, [Ety. 



proper name.] 

 parvini, McChesney, syn. for Camero- 



phoria subtrigona. 

 perrostellata. Swallow, 1863, Trans. St. 



Louis Acad. Sci., Low. Carb. [Sig. 



having a very little beak.] 

 persinuata, Winchell, 1865, Proc Acad. 



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



sinuate.] 

 pisum. Hall & Whitfield, 1875, Ohio Pal., 



vol. 2, Niagara Gr. [Sig. a pea.] 



