BRACHIOPQDA. 



107 



Brachyprion geniculatum, see Strophomena 



geniculate. 

 leda, see Strophomena leda. 

 ventricosum, see Strophomena ventricosa. 

 Calceola, Lamarck, 1801, Syst. des Anim. 



sans. Vert. [Ety. calceola, a slipper.] 

 americana, Safford, syn. for C. tennes- 



seensis. 

 plicata, Conrad, 1840, Ann. Rep. N. Y., 



Held. Gr. [Ety. from the plications 



toward the aperture.] 

 sandalina, Lamarck, as identified by 



Troost, see C. tennesseensis. 

 tennesseensis, Roemer, 1852, Lethse.Geog- 



nost., Niagara Gr. [Ety. proper name.] 

 Camarella, Billings, August, 1859, Can. Nat 



& Geol., vol.4. [Ety. kamara, arching 



chamber; eUa, diminutive.] 

 ambigua, Hall, 1847, (Atrypa ambigua) 



Pal. N. Y., vol. 1, Trenton Gr. [Sig. 



doubtful.] 

 antiquata, Billings, 1861, Pal. Foss., vol. 



1, Potsdam Gr. [Sig. very ancient.] 

 bisulcata, Emmons, 1842, (Orthis bisul- 



cata) Geo. Rep. N. Y., Trenton Gr. 



[Sig. double-furrowed.] 

 breviplicata, Billings, 1865, Pal. Foss., vol. 



1, Quebec Gr. [Sig. short-plicated.] 

 calcifera, Billings, 1861, Can. Nat. &Geo., 



vol. 6, Calcif. Gr. [Ety. from the Cal- 



ciferous Group.] 

 circulus, Hall, 1847, (Atrypa circulus) 



Pal. N. Y., vol. 1, Trenton Gr. [Sig. 



circular.] 

 congesta, Conrad, 1842, (Atrypa congesta) 



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



Gr. [Sig. a heap.] 

 costata, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. ribbed.] 

 cuspidata, Hall, 1847, (Atrypa cuspidata) 



Pal. N. Y., vol. 1, Trenton Gr. [Sig. 



pointed.] 

 extans, Emmons, 1842, (Atrypa extans) 



Geo. Rep. N. Y., Trenton Gr. [Sig. 



standing out.] 

 hemiplicata, Hall, 1847, (Atrypa hemi- 



plicata) Pal. N. Y., vol. 1, Trenton Gr. 



[Sig. half-plicated.] 

 lenticularis, Billings, 1866, Catal. Sil. 



Foss. Antic, Anticosti Gr. [Sig. len- 

 ticular.] 

 longirostra, Billings, 1859, Can. Nat. and 



Geo., vol. 4, Chazy Gr. [Sig. long- 

 beaked.] 

 nucleus, Hall, 1847, (Atrypa nucleus) 



Pal. N. Y., vol. 1, Trenton Gr. [Sig. 



ops, Billings, 1862, Pal. Foss., vol. 1, Mid. 

 Sil. [Ely. mythological name.] 



ortoni, Meek, 1872, (Dicraniscus ortoni) 

 Am. Jour. Sci., 3rd ser., vol. 4, Clin- 

 ton Gr. [Ety. proper name.] 



panderi, Billings, 1859, Can. Nat. and 

 Geo., vol. 4, Black Riv. Gt. [Ety. 

 proper name.] 



parva, Billings, 1865, Pal. Foss., vol. 1, 

 Quebec Gr. [Sig. small.] 



polita, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. smoothed.] 

 reverm, see Anastrophia reversa. 

 varia-ns, Billings, 1859, Can. Nat. and 



Geo., vol. 4, Chazy Gr. [Sig. variable.] 

 volborthi, Billings, 1859, Can. Nat. and 



Geo., vol. 4, Black Riv. Gr. [Ety. 



proper name.] 

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



[Ety. kamara, arching septum.] 

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



Low. Held. Gr. [Sig. elongated.] 

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



Low. Held. Gr. [Sig. type of the 



genus.] 

 Cajierophoria, King, 1844, Ann: & Mag. 



Nat. Hist., vol. 14. [Ety. kamara, an 



arched chamber ; phoreo, I carry.] 

 bisulcata, Shumard, 1858, Trans. St. Louis 



Acad. Sci., Permian Gr. [Sig. double 



furrowed.] 

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



Corniferous Gr. [Sig. graceful.] 

 globulina, Phillips, 1844, as identified by 



Geinitz, is Rhynchonella uta. 

 schlotheimi, Von Buch, 1834, (Terebra- 



tulitesschlotheimi) Ueber Terebratel., 



Permian Gr. [Ety. proper name.] 



This is the type of the genus, 

 subtrigona, Meek & Worthen, 1860, 



(Rhynchonella subtrigona) Proc. 



Acad. Nat. Sci. Phil., Keokuk Gr. 



[Sig. somewhat three-cornered.] 

 swalloviana, Shumard, 1859, Trans. St. 



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



proper name.] 

 Centroxella, Billings, 1859, Can. Nat. & 



Geo., vol. 4. [Ety. a little point.] 

 allii, Winchell, 1865, Proc. Acad. Nat. 



Sci., Chemung Gr. [Ety. proper 



name.] 

 alveata, Hall, 1857, (Rhynchonella al- 



veata) 10th Reg. Rep., Onondaga Gr. 



[Sig. channeled.] 

 anna, Hartt, 1868, Acad. Geol., Low. 



Carb. [Ety. proper name.] 

 billingsiana, Meek & Worthen, 1868, Geo. 



Sur. 111., vol. 3, Niagara Gr. [Ety. 



proper name.] 

 glansfagea, Hall, 1857, (Rhynchonella 



glansfagea) 10th Reg. Rep., Schoharie 



grit, Cornif. Gr. and Oriskany sand- 

 stone. [Ety. glans, an acorn ; fagea, 



beech tree.] 

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



Ham. Gr. [Ety. proper name.] 

 hecate, Billings, 1861, Can. Jour. vol. 6, 



Up. Held. Gr. [Ety. mythological 



name.] 

 impressa, Hall, 1861, 14th Reg. Rep., 



Ham. Gr. [Sig. impressed.] Prof. 



Billings says this is a syn. for C. hecate. 

 julia, Winchell, 1862, Proc. Acad. Nat. 



Sci., vol. 14, Marshall Gr. [Ety. proper 



name.] 

 ovata, Hall, 1867, Pal. N. Y., vol. 4, Up. 



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



