BfeACHIOPObA. 



125 



osagensis, Swallow, 1860, Trans. St. Louis 



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



name.] 

 papillata, Sliumard, 1858, Trans. St.Louis 



Acad. Sci., Pernjian Gr. [Sig. pim- 

 pled.] 

 pnijiana, Swallow, 1860, Trans. St. Louis 



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



name.] 

 pnncliliferd, Shunaard, 1858, syn. for 



Retzia mormoni. 

 poly pleura, Winchell, 1862, Proc. Acad. 



Nat. Sci., Portage Gr. [Sig. many- 

 sided.] 

 siihi/hihusa, McChesney, syn. for Retzia 



mormoni. 

 ¥cra. Hall, 1858, Geo. Rep. Iowa, Kas- 



kaskia Gr. [Sig. true, natural.] 

 vera me. costata, Hall, 1858, Geo. Rep. 



Iowa, Kaskaskia Gr. [Sig. ribbed.] 

 vorneuiliana, Hall, 1856,Trans. Alb. Inst., 



vol. 4, AVarsaw Gr. [Ety. proper 



name.] 

 Rhynchonei.la, Fischer, 1809, Mem. Soc. 



Imp. Mosc. [Fjly. rliynchos, a beak; 



elhc, little.] 

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



Low. Held. Gr. [Sig. terminating 



abruptly.] 

 acadiensis, Davidson, 1863, Quar. Jour. 



Geo. Soc, vol. 19, Low. Carb. [Ety. 



proper name.] 

 acinus. Hall, 18G3, Trans. Alb. Inst., vol. 



4, Niagara Gr. [Sig. a cherry stone.] 

 acutiplicata. Hall, 1859, Pal. N. Y., vol. 



3, Low. Held. Gr. [Sig. having pli- 

 cations acutely angular.] 

 acutirostris. Half, 1847, (Atrypa acuti- 



rostra) Pal. N. Y., vol. 1, Chazy Gr. 



[Sig. sharp-beaked.] 

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



Low. Held. Gr. [Sig. equal-valved.] 

 icquiradiata. Hall, 1852, (Atrvpa tequira- 



diata) Pal. N. Y., vol. 2, Clinton Gr, 



[Sig. equal-rayed.] 

 algeri, McChesney, 1860, New Pal. Foss., 



Carb. [Ety. proper name.] 

 altilis. Hall, 1847, (Atrypa altilis) Pal. 



N. Y., vol. 1, Chazy Gr. [Sig. fat, 



fed.] 

 ■ altiplicata. Hall, 1859, Pal. N. Y., vol. 3, 



Low. Held. Gr. [Sig. high plications.] 

 (ihvata, see Centronella alveata. 

 angulata, LinuKus, ai identified by Gei- 



nitz, syn. for Syntrilasma hemipli- 



catum . 

 anticostiensis, Billings, 1862, Pal. Foss., 



vol. 1, Hud. Riv. Gr. [Ety. proper 



name.] 

 aprinis, DeVerneuil, 1845, (Terebratula 



aprinisl Geo. Russia & Ural Mts., Ni- 

 agara Gr. [Sig. like a pig's head (?).] 

 arctirostrata. Swallow, 18 6 3, Trans. St. 



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



narrow-beaked.] 

 argentea, Billings, 1866, Catal. Sil. Foss. 



Antic, Anticosti Gr. [Sig. glittering.] 



argenturbica. White, 1874, Rep. Invert. 



Foss., Gin'ti Gr. [Sig. from Silver 



City.] 

 barquensis, Winchell, 1862, Proc. Acad. 



Nat. Sci., Marshall (ir. [Ety. proper 



name.] 

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



kany sandstone. [Ety. proper name.] 

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



Lower Held. Gr. [Sig. double- 

 channeled.] 

 bidens. Hall, 1852. (Atrypa bideus) Pal. 



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



two teeth.] 

 bidontata, Hisinger, 1826, (Terebratula 



bidentata) Vet. Acad. Handl., Niagara 



Gr. [Sig. having two teeth.] 

 hillitigH, see Stenoschisma billingsi. 

 boonensis, Shumard, 1855, Geo. Rep. Mo., 



Trenton Gr. [Ety. proper name.] 

 hrei'lrosti-in, Soworby, 1839, (Terebratula 



brevirostris) Murch. Sil. Syst., Niag- 

 ara Gr. [Sig. short-beaked.] This 



species is probably Pentamerus lirevi- 



rostris. 

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



Low. Held. G-r. [Ety. proper name.] 

 camerifera, Winchell, 1862, Proc Acad. 



Nat. Sci., Marshall Gr. [Sig. cham- 

 bered.] 

 capax, Conrad, 1842, (Atrypa capax) 



Jour. Acad. Nat. Sci., vol. 8, Hud. 



Riv. Gr. [Sig. large, capacious.] 

 caput-testudinis. White, 1862, Proc. Bost. 



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



[Sig. like a turtle's head.] 

 carica, see Stenoschisma carica. 

 carbonaria, McChesney, ]860, New Pal. 



Foss., Coal Meas. [Sig. from the Coal 



Pleasures.] 

 Carolina, see Stenoschisma Carolina, 

 castanea, Meek, 1868, Trans. Chi. Acad. 



Sci., Devonian. [Sig. a chestnut.] 

 congregata, see Stenoschisma congrega- 



tum. 

 contracta, see Stenoschisma conti-actum. 

 cooperensis, Shumard, ;|.855, Geo. Rep. 



Mo., Chem. Gr. [Ety. proper name.] 

 corinthia, Billings, 1865, Pal. Foss., vol. 



1, Quebec Gr. [Sig. corinthian.] 

 cuboides, Sowerby, (Atrypa cuboides) see 



R. venustula. 

 cuneata, Dalman, 1827, (Terebratula 



cuneata) Vet. Acad. Handl., Niagara 



Gr. [Sig. wedge-shaped.] 

 dawsoniana, Davidson, 1863, Quar. Jour. 



Geo. Soc, vol. 19, Low. Carb. [Ety. 



proper name.] 

 dentata, Hall, 1847, (Atrypa dentata) Pal. 



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



having teeth.] 

 dotix, see Stenoschisma dotis. 

 dryope, Billings, 1874, Pal. Foss., vol. 2, 



Devonian. [Ety. mythological name.] 

 dubia. Hall, 1847, (Atrypa dubia) Pal. N. 



Y., vol. 1, Chazy Gr. [Sig. doubtful.] 

 duplicata, syn. for Stenoschisma contract- 



