BRACHIOPODA. 



121 



galeatiformis, Meek & Worthen, syn. for 

 P. galeatus. 



galeatus, Dalman, 1827, (Atrypa galeatus) 

 Vet. Acad. Handl.; Low. Held. Gr. 

 [Sig. helmet-shaped.] 



intralineatus, Winchell, 1866, Rep. Low. 

 Penin. Mich., Ham. Gr. [Sig. marked 

 with lines on the inside.] 



knappi, Hall, 1872, 24th Reg. Rep., Ni- 

 agara Gr. [Ety. proper name.] 



knigliti, Sowerby, 1812, Min. Conch., vol. 

 1, Devonian. [Ety. proper name.] 



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

 Low. Held. & Niagara. Gr. [Ety. 

 proper name.] 



multicostatus. Hall, 1861, Rep. of Progr. 

 Wis. Sur., Niagara Gr. [Sig. many- 

 ribbed.] 



nucleus. Hall, 1872, 24th Reg. Rep., Clin- 

 ton Gr. [Sig. a kernel.] 



nysius. Hall, 1872, 24th Reg. Rep., Niag- 

 ara Gr. [Ety. mythological name.] 

 There are two varieties, one having 

 coarse and the other finer radii. 

 These are designated P. nysius var. 

 crassicostus and P. 7iysius var. tenuicostus. 



oblongus, Sowerby, 1839, Murch. Sil. 

 Syst., Clinton & Niagara Gr. [Sig. 

 longer than broad.] 



oblongus var. cylindricus. Hall, 1872, 24th 

 Reg. Rep., Niag. Gr. [Sig. cylindrical.] 



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

 Guelph Gr. [Sig. western.] 



occid/mtalis, Hall, 1858, Geo. Rep. Iowa, 

 Ham. Gr. This name was preoccupied. 

 The species is now referred to the 

 genus Gypidula, by the author. 



ovalis. Hall, 1852, Pal. N. Y., vol. 2, Clin- 

 ton Gr. [Sig. egg-shaped.] 



papilionensis. see Pentamerella papilion- 

 ensis. 



pergibbosus, Hall & Whitfield, 1875, Ohio 

 Pal., vol. 2, Niagara Gr. [Sig. very 

 gibbous.] 



pseudogaleatns. Hall, 1859, Pal. N. Y., 

 vol. 3, Low. Held. Gr. [Sig. false 

 galealus.'l 



reversus, see Anastrophia reversa. 



salinensis. Swallow, 1860, Trans. St. 

 Louis Acad. Sci., Devonian. [Ety. 

 proper name.] 



similior, AVinchell & Marcy, 1865, (Spiri- 

 fera similior) Mem. Bost. Soc. Nat. 

 Hist., Niagara Gr. [Ety. from its re- 

 semblance to Spirifera bicosiata.'] 



subglobosus, Meek & Worthen, 1868, Geo. 

 Sur. 111., vol. 3, Ham. Gr. [Sig. some- 

 what globose.] 



trisinuatus, McChesney, 1861, Desc. 

 New Pal. Foss., Niagara Gr. [Sig. 

 marked with three depressions.] 



ventricosus. Hall, 1861, Rep. Progr. Wis. 

 Sur., Niagara Gr. [Sig. bulging out.] 



verneuili, see Anastrophia verneuili. 

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

 [Ety. pholis, j)holidos, a scale.] 



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

 Oriskany sandstone. [Sig. sandy.] 



areolata, Hall, 1863, 16th Reg. Rep., Scho- 

 harie grit. [Sig. divided into irregular 

 squares or angular spaces.] 



cincinnatiensis. Hall, 1872, Pamphlet, 

 Cin'ti Gr. [Ety. proper name.] 



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

 N. Y., Ham. Gr. [Ety. proper name.] 



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

 Ham. Gr. [Sig. like a Lhigula.] 



oblata. Hall, 1867, Pal. N. Y., vol. 4, Ham. 

 Gr. [Sig. oblate.] 



ovalis. Hall, 1863, Trans. Alb. Inst, vol. 

 4, Niagara Gr. [Sig. oval.] 



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

 Held. Gr. [Sig. egg-shaped.] 



squamiformis. Hall, 1843, (Orbicula 

 squamiformis) Geo. Rep. 4th Dist. N. 

 Y., Niagara Gr. [Sig. in the form of 

 a scale.] 



subtruncata. Hall, 1847, (Orbicula sub- 

 truncata) Pal. N. Y., vol. 1, Hud. Riv. 

 Gr. [Sig. somewhat shortened.] 



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

 3, Oriskany sandstone. [Sig. termin- 

 ating.] 



trentonensis. Hall, 1866, Pamphlet, Tren- 

 ton Gr. [Ety. proper name.] 

 Platystrophia, syn. for Orthis. 



regularis, syn. for Orthis lynx. 

 Plectambonites area, syn. for Leptsena trans- 

 versalis. 



glabra, syn. for Leptsena sericea. 



teriera, syn. for Leptaena transversalis. 

 Plicatula, Lamarck, 1809. 



striatocostata, see Meekella striatocostata. 

 PoRAMBONiTES, Paudor, 1830, Beitrage zur 

 Geog. des Russichen Reiches. [Ety. 

 poros, opening ; ambon, umbone.] 



dentatus, see Orthis dentata. 



ottawsensis, Billings, 1862, Pal. Foss., vol. 

 1, Black Riv. Gr. [Ety. proper name.] 

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

 [Sig. diminutive of Productu!^.'\ 



arctirostrata, Hall, 1857, (Productus arcti- 

 rostratus) 10th Reg. Rep., Chemung 

 Gr. [Sig. narrow-beaked.] 



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

 Chemung Gr. [Sig. double-chan- 

 neled.] 



boydi, Hall, 1857, (Productus boydii) 

 10th Reg. Rep., Chemung Gr. [Ety. 

 proper name.] 



concentrica. Hall, 1857, (Productus con- 

 centricus) 10th Reg. Rep., Kinder- 

 hook Gr. [Sig. concentrically lined.] 



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

 Chemung Gr. [Sig. small-ribbed.] 



costatula var. strigata, Hall, 1867, Pal. N. 

 Y., vol. 4, Chemung Gr. [Sig. fur- 

 rowed.] 



dumosa. Hall, 1861, (Productus dumosus) 

 14th Reg. Rep., Ham. Gr. [Sig. 

 bushy.] 



eriensis, Nicholson, 1874, Geo. Mag., n. 

 s., vol. 1, Comif. Gr. [Ety. proper 

 name.] 



