120 



BRACHIOPODA. 



suborbicularis, Hall, 1858, Geo. of Iowa, 

 Ham. Gr. [Sig. somewhat orbicular.] 



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

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

 somewhat quadrate.] 



subumbona, see Spirifera subumbona. 



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

 lington Gr. [Ety. proper name.] 



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

 Clinton Gr. [Sig. slender-toothed.] 



tenuistriata. Hall, 1843, Geo. Rep. 4th 

 Dist. N. Y., Portage Gr. [Sig. fine- 

 striated.] 



testudinaria, Dalman, 1827, Vet. Acad. 

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

 arched like a tortoise shell.] 



thiemii. White, 1860, Jour. Bost. Soc. 

 Nat. Hist., vol. 7, Kinderhook Gr. 

 [Ety. proper name.] 



tioga, Hall, 1867, Pal. N. Y., vol. 4, (O. 

 interlineata, Sow., Geo. Rep. 4th Dist. 

 N. Y.) Portage & Chemung Gr. [Ety. 

 proper name.] * 



tricenaria, Conrad, 1843, Proc. Acad. 

 Nat. Sci., vol. 1, Trenton Gr. [Sig. 

 of or belonging to thirty.] 



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

 Clinton Gr. [Sig. a triple-nut.] 



triplicatella. Meek, 1873, Ohio Pal., vol. 

 1, Cin'ti Gr. [Sig. having three plica- 

 tions in one-fold. 



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

 Quebec Gr. [Ety. mythological 

 name.] 



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

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

 like strise.] 



tulliensis, Vanuxem, 1843, Geo. Rep. 3rd 

 Dist. N. Y., Tully limestone. [Ety. 

 proper name.] 



uberi, Billings, 1866, Catal. Sil. Foss. 

 Antic, Anticosti Gr. [Sig. abundant, 

 fruitful.] 



umbonata, see Amboccelia umbonata. 



umbraculum, DeKoninck, see Orthis Keo- 

 kuk and Streptorhynchus umbracu- 

 lum. 



unguiculm, Phillips, as identified by Hall 

 in 1843, see Ambocoelia umbonata var. 

 gregaria. 



unguiformis, syn. for Orthis hipparionyx. 



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

 Ham. Gr. [Ety. proper name.] 



vanuxemi, Winchell, 1862, Proc. Acad. 

 Nat. Sci., Portage Gr. The name was 

 preoccupied. 



varica, Conrad, 1842, (Delthyris varica) 

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

 Held. Gr. [Sig. straddling.] 

 Orthisina, D'Orbigny, 1849. [Ety. orthis, 

 a genus of shells ; inuis, implying re- 

 sembling to.] 



cdternata, see Streptorhynchus perversus. 



arctostriata, see Streptorhynchus arctos- 

 triatus. 



crassa, see Streptorhynchus crassus. 



diversa, Shaler, syn. for Orthisina ver- 

 neuili. 



festinata, Billings, 1861, Pal. Foss., vol. 



1, Potsdam Gr. [Sig. hasty.] 

 grand?eva, Billings, 1859, Can. Nat. Geo., 



vol. 4, Calcif. Gr. [Sig. primeval.] 

 missouriensis. Swallow, 1858. Syn. for 



Meekella striato-costata. 

 occidentalis. Swallow, 1863, Trans. St. 



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



western.] 

 shumardiana. Swallow, 1858, Trans. St. 



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



proper name.] 

 verneuili, Eichwald, as identified by 



Billings, Trenton & Anticosti Gr. 



[Ety. proper name.] 

 Pentagonia, Cozzens, 1846, Ann. N. Y. Ly- 

 ceum, vol. 3. [Ety. pente, five; gonia, 



an angle.] 

 peersi, Cozzens, 1846, Ann. N. Y. Lyce- 

 um, vol. 3, Devonian. [Ety. proper 



name.] 

 Pentamerella, Hall, 1867, Pal. N. Y., vol. 4. 



[Ety. diminutive of Pentamerus.'] 

 arata, Conrad, 1841, (Atrypa arata and 



Atrypa octo-costata) Ann. Rep. N. Y., 



Schoharie grit and Up. Held. Gr. 



[Sig. plowed, furrowed.] 

 dubia. Hall, 1860, (Spirifer dubius) 13th 



Reg. Rep., Ham. Gr. [Sig. doubtful.] 

 micula. Hall, 1867, Pal. N. Y., vol. 4, 



Ham. Gr. [Sig. a very small crumb.] 

 obsolescens. Hall, 1867, Pal. N. Y., vol. 4, 



Devonian. [Sig. obsolete.] 

 papilionensis. Hall, 1858, (Pentamerus 



papilionensis) Geo. Rep. Iowa, vol. 1, 



pt. 2, Ham. Gr. [Ety. proper name.] 

 Pentamerus, Sowerby, 1814, Min. Conch., 



vol. 1. [Ety. penta, five ; meros, apart- 

 ments.] 

 aratus, see Pentamerella arata. 

 arcuosus, McChesney, 1861, New Pal. 



Foss., Niagara Gr. [Sig. arched, bent 



over.] 

 barrandi, Billings, 1857, Rep. of Progr., 



Mid. Sil. [Ety. proper name.] 

 bisinuatus, McChesney, 1861, New Pal. 



Foss., Niagara Gr. [Sig. having two 



depressions.] 

 borealis. Meek, 1868, Trans. Chi. Acad. 



Sci., Ham. Gr. [Sig. northern.] This 



name was preoccupied by Eichwald 



in 1840. 

 brevirostris, Sowerby, 1839, (Terebratula 



brevirostris) Murch. Sil. Syst., Niagara 



Gr. [Sig. short-beaked.] 

 chicagoensis, Winchell & Marcy, 1865, 



Mem. Bost. Soc. Nat. Hist., Niagara 



Gr. [Ety. proper name.] 

 comis, Owen, 1852, (Atrypa comis) Geo. 



Sur. Wis., Iowa and Minn., Ham. Gr. 



[Sig. nice, delicate.] 

 crassiradiatus, McChesney,1861,New Pal. 



Foss., Niagara Gr. [Sig. thick-rayed.] 

 elongatm, see Amphigenia elongata. 

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



Clinton Gr. [Sig. arched or vaulted 



over.] 



