

BRACHIOPODA. 



rostrata, Hall, 1843, (Atrypa rostrata) 



Geo. Rep. 4th Dist. N. Y., Ham. Gr. 



& Tully limestone. [Slg. beaked.] 

 scitula. Hall, 1843, (Atrypa scitula) Geo. 



4th Dist. N. Y. , Cornif erous Gr. Prof. 



Hall regards Charionella circe as a 



syn. for this species. [Sig. pretty.] 

 umbonata, Billings, 1862, (Athyris um- 



bonata) Pal. Foss., vol. 1, Mid. Sil. 



[Sig. protuberant.] 

 unisulcata, Conrad, 1841, (Atrypa uni- 



sulcata) Ann. Rep. N. Y., Up. Held. 



& Ham. Gr. [Sig. having one de- 

 pression.] 

 Meristina, Hall, 1867, 20th Reg. Rep. N. Y. 



[Ety. Merlsta, a genus of shells ; inu^, 



implying resemblance.] 

 maria. Hall, 1863, (Meristella maria) 



Trans. Alb. Inst., vol. 4, Niagara Ur. 



[Ety. proper name.] 

 nitida, Hall, 1852, (Atrypa nitida) Pal. 



N. Y., vol. 2, Niagara Gr. [Sig. 



smooth.] 

 nitida rar. oblata, Hall, 1852, (Atrypa 



nidita var. oblata) Pal. N. Y., vol. 2, 



Niagara Gr. [Sig. oblate.] 

 MoNOMEKELLA, Billings, 1861, Can. Nat. & 



Geo., vol. 6. [Ety. monos, one ; meros, 



apart; fHa, diminutive termination.] 

 newberryi, Hall & Whitfield, 1875, Ohio 



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



name. ] 

 orbicularis, Billings, 1871, Can. Nat., vol. 



6, Guelph Gr. [Sig. orbicular.'} 

 prisca, Billings, 1871, Can. Nat. & Geol., 



vol. 6, Guelph Gr. [Sig. ancient.] 

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



[Ety. nucleus, a kernel ; ttpira, aspire.] 

 barrisi, "White, 1860, Bost. Jour. Nat. 



Hist., Kinderhook (ir. [Ety. proper 



name.] 

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



Low. Held. Gr. [Sig. concentrically 



lined.] 

 concinna. Hall, 1843, fAtrypa concinna) 



Geo. 4th Dist. N. Y., Hamilton Gr. 



[Sig. handsome.] 

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



Low. Pleld. Gr. [Sii;. elegant.] 

 pisiformis, Hall, 1859,(Orthis jiisum, 18.')1, 



Pal. N. Y., vol. 2,) Pal. N. Y., vol. 3, 



Niagara Gr. [Ety. from its resem- 

 blance to Spirifer pixum of JIurchison.] 

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



Low. Held. Gr. This species was first 



descril)ed in 1856, in 9th Keg. Rep., as 



Spirifera ventrimsd. [Sig. bulging out.] 

 Obolella, Billings, 1861, Pal. Eoss., vol. 1. 



[Ety. diminutive of Obolus, a small 



Greek coin.] 

 cajlata, Hall, 1847, (Orbicula cailata) Pal. 



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



sculptured.] 

 chromatica, Billings, 1861, Pal. Foss., vol. 



1, Potsdam Gr. [Sig. colored.] 

 cingulata, Billings, 1861, Pal. Foss., vol. 



1, Potsdam Gr. [Sig. encircled with 



lines.] 



circe, Billings, 1871, Can. Nat. and Geol., 



Potsdam Gr. [Ety. mythological 



name.] 

 crassa, Hall, 1847, (Orbicula crassa) Pal. 



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



thick.] 

 desiderata, Billings, 1862, Pal. Foss., vol. 



1, Quebec Gr. [Sig. rare.] 

 desquamata. Hall, 1847, (Avicula desqua- 



mata) Pal. N. Y., vol. 1, Hud. Riv.Gr. 



[Sig. scaled off.] 

 gemma, Billings, 1871, Can. Nat. & Geol., 



Potsdam Gr. [Sig. a young bud.] 

 ida, Billings, 1862, Pal. Foss., vol. 1, Que- 

 bec Gr. [Ety. mythological name.] 

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



Low. Potsdam Gr. [Sig. paltry.] 

 nana, Meek & Hayden, 1861, Proc. Acad. 



Nat. Sci. Phil., Potsdam Gr. [Sig. 



dwarfish.] 

 nitida. Ford, 1863, Am. Jour. Sci. & Arts, 



3rd ser., vol. 5, Low. Potsdam Gr. 



[Sig. neat.] 

 polita. Hall, 1861, Geo. Rep. Wis., (Lin- 



gula polita) Potsdam Gr. [Sig. 



.smoothed.] 

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



Quebec Gr. [Sig. valuable, precious.] 

 transversa, Hartt, 1868, Acad. Geol., St. 



John's Gr. [Ety. from the trans- 

 versely oval form.] 

 Oholellhw, Billings, Dec, 1871, syn. for Din- 



obolus. 

 canndeidfis, see Dinobolus canadensis. 

 (j((lti.'nfil.<, see Dinobolus galtensis. 

 magnified, see Dinobolus magnificus. 

 Obolus, Eichwald, 1829, Zoologia Specialis, 



vol. 1. [Ety. obolus, a small coin.] 

 roiiadi'iixis, see Dinobolus canadensis. 

 coiiraili, see I>inobolus conradi. 

 ijdhi iixix, see Trimerella galtensis. 

 labrriilorirus, see Iphidea labradorica. 

 (V) murrayi, Billings, 1865, Pal. Foss., 



vol. 1, Quebec Gr. [Ety. proper 



name.] 

 Orbicula, Cuvier, 1808, syn. for Crania. 

 i-idata, see Obolella c^elata, 

 rancdlata, see Trematis cancellata. 

 corrugata, see Crania corrugata. 

 crasxa, see Obolella crassa. 

 drfonnata, see Crania deformata. 

 e.irrnlrii-a, see Crania excentrica. 

 filoxii, see Schizocrania filo.sa. 

 <jra)iilix, see Discina grandis. 

 laijielloxa, see Discina lamellosa. 

 lodensix, see Discina lodensis. 

 iitiniita, see Discina minuta. 

 nitida, see Discina nitida. 

 prima, see Crania prima. 

 (juadricoslata, see Crania quadricostata. 

 sqiiamiformis, see Pholidops squamiformis. 

 s((btruiicata, see Pholidops subtruncatus. 

 Iniiillamellata, see Crania tenuilamellata. 

 tcrminalk, see Trematis terminalis. 

 triincata, see Crania truncata. 

 Okthis, Dalman, 1827, Kongl. Vet. Acad. 



Handl. [Ety. orthos, straight, in allu- 

 sion to the sti-aight hinge li ne.] 



