110 



BRACHIOPODA. 



rectirostra, Hall, 1860, (Terebratula recti- 

 rostra) 13th Reg. Rep. Ham. Gr. [Sig. 

 straight-beaked.] 

 Cyrtia, Dalman, 1827, Kongl. Vet. Acad. 

 Handl. [Ety. kyrtia, a fishing 

 basket.] 



acutirostris, see Cyrtina acutirostris. 

 hiplicata, see Cyrtina biplicata. 



curvilineata, see Cyrtina curvilineata. 



dalmani, see Cyrtina dalmani. 



exporrecta, Wahlenberg, 1821, Nova. 

 Acta. Regise. Soc. Sci., vol. 8, Niagara 

 Gr., as identified by Hall in 24th Reg. 

 Rep. [ Sig. smooth , without wri nkles. ] 



exporrecta var. arrecta, Niagara Gr., as 

 identified by Hall in 24th Reg. Rep. 

 [Sig. erected, steep.] 



fiamiltonensis, see Cyrtina hamiltonensis. 



missouriensis, see Cyrtina missouriensis. 



myrtea, BiUings, 1862, Pal. Foss., vol. 1, 

 Mid. Sil. [Ety. proper name.] 



ocddentalis, see Cyrtina occidentalis. 



rostrata, see Cyrtina rostrata. 



triquetra, see Cyrtina triquetra. 



umbonata, see Cyrtina umbonata. 



Cyrtina, Davidson, 1858, Monog. Brit. Carb. 



Brach. [Ety. the dimniutive of Cyrtia 



. is Cyrtidium, but the author sai(i he 



preferred bad Greek to a long name.] 



acutirostris, Shumard, 185 5, (Cyrtia 

 acutirostris) Geo. Rep. Mo., Chemung 

 Gr. [Sig. sharp-beaked.] 



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

 Devonian. [Sig. near to.] 



billingsi, Meek, 1868, Trans. Chi. Acad. 

 Sci., Ham. Gr. [Ety. proper name.] 



biplicata, Hall, 1857, (Cyrtia biplicata) 

 10th Reg. Rep., Schoharie grit and 

 Cornif. Gr. [Sig. double-plicated.] 



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

 Cornif. Gr. [Sig. thick.] 



curvilineata, White, 1865, (Cyrtia curvi- 

 lineata) Proc. Bost. Soc. Nat. Hist., 

 vol. 9, Ham. Gr. [Sig. having bent 

 lines.] 



dalmani. Hall, 1857, (Cyrtia dalmani) 

 10th Reg. Rep., Low. Held. Gr. [Sig. 

 proper name.] 



hamiltonensis. Hall, 1857, (Cyrtia hamil- 

 tonensis) 10th Reg. Rep., Schoharie 

 grit, Cornif. and Ham. Gr. [Ety. 

 from the Hamilton group,] 



hamiltonensis var. recta, Hall, 1867, Pal. 

 N. Y., vol. 4, Ham. Gr. [Sig. straight.] 



missouriensis. Swallow, 1860, (Cyrtia mis- 

 souriensis) Trans. St. Louis Acad. 

 Sci., Ham. Gr. [Ety. proper name.] 



occidentalis, Swallow, 1860, (Cyrtia occi- 

 dentalis) Trans. St. Louis Acad. Sci., 

 Ham. Gr. [Sig. western.] 



panda. Meek, 1868, Trans. Chi. Acad. 

 Sci., Ham. Gr. [Sig. bent downwards.] 



pyramidalis, Hall, 1852, (Spirifer pyra- 

 midalis) Pal. N. Y., vol. 2, Niagara 

 Gr. [Sig. pointed like a pyramid.] 



rostrata, Hall, 1857, (Cyrtia rostrata) 10th 

 Reg. Rep., Oriskany sandstone. [Sig. 

 beaked.] 



triquetra, Hall, 1858, (Cyrtia triquetra) 

 Geo. Rep. Iowa, vol. 1, pt. 2, Ham. 

 Gr. [Sig. a triangle.] 



umbonata, Hall, 1858, (Cyrtia umbonata) 

 Geo. Rep. Iowa, vol. 1, pt. 2, Ham. 

 Gr. [Sig. protuberant, bossed.] 

 Delthyris, Dalman, 1827, syn. for Spirifera. 



acantJwptera, syn. for Spirifera disjuncta. 



acuminata, Conrad, see Spirifera acumi- 

 nata. 



acuminata, Hall, syn. for Spirifera mesa- 

 costalis. 



acutilirata, see Orthis acutilirata. 



arenosa, see Spirifera arenosa. 



audacula, see Spirifera audacula. 



bialveata, see Spirifera bialveata. 



Mlobata, see Orthis bilobata. 



brachynota, see Spirifera brachynota. 



chemungensist syn. for Spirifera disjuncta. 



congesta, see Spirifera congesta. 



cuspidata, syn. for Spirifera disjuncta. 



decemplicata, see Spirifera decemplicata. 



deltoidea, syn. for Orthis lynx. 



disjuncta, see Spirifera disjuncta. 



duodenaria, see Spirifera duodenaria. 



duplicata, see Spirifera duplicata. 



euruteines, see Spirifera euruteines. 



expansa, see Pterotheca expansa. 



fimbriata, see Spirifera fimbriata. 



gramdifera, see Spirifera granulifera. 



gi-anulosa, see Spirifera granulosa. 



inermis, see Spirifera disjuncta. 



Ixvis, see Spirifera l?evis. 



macronota, see Spirifera macronota. 



macropleura, see Spirifera macropleura. 



medialis, see Spirifera medialis. 



mesacostalis, see Spirifera mesacostalis. 



mesastrlaliSf see Spirifera mesastrialis. 



microptera, syn. for Orthis lynx. 



mucronata, see Spirifera mucronata. 



niagarensis, see Spirifera niagarensis. 



pachyoptera, see Spirifera pachyoptera. 



perlata, see Spirifera disjuncta. 



prolata, see Spirifera prolata. 



prora, see Spirifera prora. 



radiatus, see Spirifera radiata. 



raricosta, see Spirifera raricosta. 



nigatina, see Spirifera rugatina. 



scidptilis, see Spirifera sculptilis. 



staminea, see Spirifera staminea. 



tnloba, see Spirifera triloba. 



undulatus, see Spirifera undulata. 



varica, see Orthis varica. 



ziczac, see Spirifera ziczac. 

 Dicraniscus, Meek, syn. for Camarella. 



ortoni, see Camarella ortoni. 

 DiNOBOLUs, Hall, March, 1871, notes on 

 Brachiopoda. [Ety. dis, twice ; Obolus, 

 a genus of shells.] 



canadensis, Billings, 1857, (Obolus cana- 

 densis) Rep. of Progr. Can. Sur., Black 

 Riv. Gr. [Ety. proper name.] 



conradi. Hall, 1868, (Obolus conradi) 20th 

 Reg. Rep. N. Y., Niagara Gr. [Ety. 

 proper name.] 



galtensis, Billings, 1872, (Obolellina galt- 

 ensis) Guelph Gr. [Ety. proper 

 name.] 



