BEACHIOPODA. 



127 



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



3, Low. Held. Gr. [Ely. planus, level ; 



coyivexus, convex.] 

 pleiopleura, Conrad, 1.S41, (Atrypa pleio- 



pleura) Ann. Eep. N. Y., Oriskany 



sandstone. [Sig. wide-ribbed.] 

 plena, Hall, 1847, (Atrypa plena) Pal. N. 



Y., vol. 1 , Chazy Gr. [Sig. full, large.] 

 plicata, Hall, ]852, (Ati'ypa plicata) Pal. 



N. Y., vol. 2, Medina Gr. [Sig. plaited, 



folded.] 

 Ijlicatella, Hall, ;1852, (Atiyjia plicatella) 



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



having small plications.] 

 plicatula. Hall, 184B, (Atrypa plicatula) 



Geo. Rep. 4th Uist. N. Y., Clinton 



Gr. [Sig. having little plications.] 

 plicifera. Hall, 1847, (Atrypa plicifera) 



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



bearing plications.] 

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



Oriskany sandstone. [Sig. principal, 



chief.] 

 pmtifica, see Stenoschisma prolificum. 

 pugnus, Martin, 1809, Petrif. Derb., Low. 



Carb. [Sig. the fist.] 

 pustulosa, White, 1860, Biist. Jour. Nat. 



Hist., vol. 7, Burlington Gr. [Sig. 



pustulose.] 

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



3, Low. Held. Gr. [Sig. made like a 



pyramid.] 

 pyrrha, Billings, 1866, Catal. Sil. Foss. 



Antic, Anticosti Gr. [Ety. mytho- 

 logical name.] 

 quadricostata, Hall, 1843, (Atrypa quadri- 



costata) Geo. Rep. 4th List. N. Y., 



Genessee slate. [Sig. four-ribbed.] 

 quadricostata, Hall, 1852, (Atrvpa quadri- 

 costata) Pal. N. Y., vol. 2, Clinton Gr. 



This name was preoccupied, 

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



Oriskany sandstone. [Ety. proper 



name.] 

 recurvirostra, Hall, 1847, (Atrypa recur- 



virostra) Pal. N. Y., ^-ol. 1, Black Riv. 



to Hud. Riv, Gr. [Sig. bent-beaked.] 

 rrliciddta, see Eichwaldia reticulata, 

 ricinula. Hall, 1858, Trans. Alb. Inst., 



vol. 4, "Warsaw Gr. [Kig. a little tick.] 

 ringens, Swallow, 1860, Trans. St. Louis 



Acad. Sci., Low. Carb. [Sig. gaping, 



having an open orifice.] 

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



(Atrypa robusta) Clinton Gr. . [Sig. 



robust.] 

 rni/fnic(, see Stenoschisma royanum. 

 mlleyawt, Safford, 1869, Geo. of Tenn. 



Not defined, 

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



Held. Gr. [Sig. rude, not fashioned.] 

 rugosa. Hall, ]8>2, (Atrvpa rugosa) Pal. 



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



wrinkled.] 

 safTordi, Hall, 1860, Can. Nat. & Geo., 



vol. 5, Low. Held. Gr. [Ety. proper 



name.] 



sageriana, Winchell, 1862, Proc. Acad. 



Nat. Sci., Marshall Gr. [Ety. proper 



name.] 

 adjiplio, see Stenoschisma sappho. 

 semiiilii-ata, Conrad, 1841, (Atrypa seiiii- 



plieata) Ann. Rep. N. Y., Low. Held. 



<Tr. [Siir. half-folded.] 

 septata. Hall, 185tt, Pal. N. Y., vol. o, 



Oriskany sandstone. [Sig. divided by 



septa or partitions.] 

 sinuata, Hall, 1860, Can. Nat. & Geo., vol. 



5, Up. Sil. [Sig. wavy.] 

 sordida, Hall, 1847, (Atrypa sordida) Pal. 



N. Y., vol. 1, Trenton Gr. [Sig. de.s- 



picable, paltry.] 

 speciosa. Hall, 1857, 10th Reg, Rep., Oris- 

 kany sandstone. [Sig. beautiful.] 

 ifli'jiliaiii, sec Stenoschisma .^tephani. 

 subcircularis, Winchell, 1862, Proc.Acad. 



Nat. Sci., Marshall Gr. [Sig. some- 

 what circular.] 

 suhcuhoides. Not an American specie.s. 

 subcuneata. Hall, 1856, Trans. Alb. Inst., 



vol. 4, AVarsaw Gr. [Sig. some^'iliat 



wedge-shaped.] 

 mhtrigona, see Camerophoria subtrigona. 

 subtrigonalis, Hall, 1847, (Atrypa subtri- 



gonalis) Pal. N, Y., vol. 1, Trenton 



Gr. [Sig. somewhat triangular.] 



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

 3, Low. Held.Gr. [Sig. grooved along 

 the center of the plications.] 



tennesseensis, Eoemer, 1860, Sil. Fauna 

 West Tenn., Niagara (ir. [Ety. proper 

 name.] 



tethys, see Stenoschisma tethys. 



tetraptyx, AVinchell, 1865, Proc. Acad. 

 Nat. Sci., Kinderhook Gr. [sig, hav- 

 ing four-folds.] 



texiana, Shumard, 1859, Trans. St. Louis 

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

 name.] 



thalia, see Stenoschisma billingsi. 



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

 Low. Held. Gr. [Sig. wider than 

 long.] 



uiiica, Winchell, 1865, Proc. Acad. Nat. 

 Sci,, Chemung Gr. [Sig. single, alone.] 



iinixiih-ala, see Meristella unisulcata. 



uta, jlarcou, 1858, (Tcj'cbratuht uta) (ico. 

 N. Anjer., Coal Meas. [Ety, proper 

 name.] This was subsequently de- 

 scribed by Swallow as R. osagensis. 



velhcata. Hall, 18.59, Pal. N. Y., vol. 3, 

 Low. Held. Gr. [Sig. pinched.] 



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

 Low. Held. Gr. [Sig. bulging out, 

 bellving.] 



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

 Tully limestone. This was identified 

 by Vanuxem, 1842, Geo, 3rd Dist. N. 

 Y., as Atrypa culiohli'KoS Sowerby. [Sig. 

 somewhat fair, handsome or pretty.] 



vicina, Billings, 1866, Catal. Sil. Foss. 

 Antic, Anticosti Gr. [Sig. neighbor- 

 ing, near to.] 



