BEACHIOPODA. 



119 



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

 harie grit. [Sig. moderate.] 



morrowenm, syn. for Orthis ella (?) 



multisecta, James, 1873, Ohio Pal., vol. 1, 

 Cin'ti Gr. [Sig! having many paths.] 



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

 Low Held. Gr. [Sig. many-striated.] 



musculosa, Hall, 1857, Pal. Foss., Oris- 

 kany sandstone. [Sig. full of muscles.] 



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

 Quebec Gr. [Ety. proper name.] 



nisis, Hall, 1872, 24th Reg. Rep., Niagara 

 Gr. [Ety. proper name.] 



nucleue, syn. for Ambocffilia umbonata. 



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

 Held. Gr. [Sig. broader than long.] 



oblata var. eraarginata. Hall, 1859, Pal. 

 N. Y., vol. 3, Low. Held. Gr. [Sig. 

 notched at the end.] 



occasus. Hall, 1860, 13th Reg. Rep., Ham. 

 Gr. [Sig. the west.] 



occidentahs, Hall, 1847, Pal. N. Y., vol. 

 1, Trenton to Hud. Riv. Gr. [Sig. 

 western.] 



orbicularis, Sowerliy, 1839, Murcli. Sil. 

 Syst., Up. Sil. [Sig. orbicular.] 



orthambonites, Pander, as figured Ijy 

 Murchison & Verneuil, 1845, Russia 

 and Ural mountains, Quebec Gr. 

 [Sig. straight-umbo.] 



pecosi, Marcou, 1858, Geo. N. America, 

 Coal Meas. This species was subse- 

 quently described by Swallow under 

 the name of Orthis carbonaria. [Ety. 

 proper name.] 



pecten, as identified by d'Archiac & Ver- 

 neuil. Not American. 



pectinella, Conrad, 1840, Ann. Rep. N. 

 Y., Black Riv. & Trenton Gr. [Sig. a 

 little comb.] 



pectinella var. semiovalis, Hall, 1S47, 

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

 half-oval.] 



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



3, Low. Held. Gr. [Sig. a little foot.] 

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

 harie grit. [Sig. Peloris, an existing 

 shell fish.] 



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

 Ham. Gr. [Ety. mythological name.] 



pepina, Hall, 1863, 16th Reg. Rep., Pots- 

 dam Gr. [Ety. proper name.] 



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

 Low. Held. Gr. [Sig. very elegant.] 



perversa, see Streptorhynchus perversus. 



p^rvetus, Conrad, 1843, Proc. Acad. Nat. 

 Sci., vol. 1, Black Riv. & Trenton Gr. 

 [Sig. very old.] 



pigra, Billings, 1859, Can. Nat. Geo., vol. 



4, Chazy Gr. [Sig. sluggish.] 

 pisvm, see Nucleospira pisiformis. 

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



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

 convexvs, convex.] 



platys, Billings, 1859, Can. Nat. Geo., vol. 



4, Chazy Gr. [Sig. broad.] 

 plicata,Yan\i:s.em, see Spirifera vanuxemi. 



jiplicatella. Hall, 1847, Pal. N. Y., vol. 1, 



Trenton & Hud. Riv. Gr. [Sig. a little 



fold or plait.] 

 porcata, McCoy, 1846, Sil. Foss. of Ire- 

 land, Trenton, Hud. Riv. & Mid. Sil. 



[Sig. ridged.] 

 porcia, Billings, 1859, Can. Nat. Geo., vol. 



4, Chazy Gr. [Ety. proper name.] 

 pnemnhona, see Ambocoelia prseumbona. 

 pratteni, McChesney, 1860, New Pal. 



Foss,, Coal Meas. [Ety. proper name.] 

 prava, Hall, 1858, Geo. of Iowa, Ham. 



Gr. [Sig. crooked.] 

 propinqua, Hall, 1867, 10th Reg. Rep. N. 



Y., Up. Held. Gr. [Sig. related to.] 

 punctostriata. Hall, 1852, Pal. N. Y., vol. 



2, Niagara Gr. [Sig. punctus, pricked ; 



striatus, striated.] 

 pyramidalis, see Skenidium pyramidalis. 

 quadricostata, see Leiorhynchus quadri- 



costatus. 

 resupinata, Martin, 1809, Petref. Derb. 



Carb. [Sig. upside down.] 

 resupinoides, Cox, 1857, Geo. Sur. Ky., 



vol. 3, Coal Meas. [Sig. like 0. resup- 

 inata. 

 retrorsa, Salter, 1858, Geo. Sur. of G. B., 



Trenton & Hud. Riv. Gr. [Sig. turned 



backwards.] 

 rhynchonelliformis, Shaler, 1865, Bui. 



No. 4, M. C. Z., Anticosti Gr. [Sig. 



like a shell of the genus Rhyncho- 



nella.] 

 richmonda, syn. for Streptorhynchus cras- 



sus. 

 robusta. Hall, 1858, Geo. Rep. Iowa, 



Coal Meas. [Sig. robust.] 

 rugiplicata. Hall, 1872, 24th Reg. Rep., 



Niagara Gr. [Sig. wrinkled and pli- 



ruida, BiUings, 1866, Catal. Sil. Foss. 



Antic, Anticosti Gr. [Sig. rough.] 

 semele. Hall, 1863, 16th Reg. Rep., On(3n- 



daga & Up. Held. Gr. [Ety. mytho- 

 logical name.] 

 y^sinuata. Hall, 1847, Pal. N. Y., vol. 1, 



Hud. Riv. Gr. [Sig. waved.] 

 sola, Billings, 1866, Catal. Sil. Foss. Antic, 



Hud. Riv. Gr. [Sig. alone.] 

 solitaria, Hall, 1860, 13th Reg. Rep., N. 



Y., Ham. Gr. [Sig. alone.] 

 stonensis, Safford, 1869, Geo. of Tenn., 



Trenton & Nashville Gr. [Ety. proper 



name.] 

 ariahila, Emmons, 1842, (l^eo. Rep. N. Y. 



This name was preoccupied by Schlot- 



heim. 

 strophomenoides, Hall, 1859, Pal. N. Y., 



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



Strophomena. 

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



Low. Held. Gr. [Sig. somewhat 



keeled.] 

 subKquata, Conrad, 1843, Proc. Acad. 



Nat. Sci., vol. 1, Chazy to Trenton Gr. 



[Sig. somewhat equal.] 

 suhjugata, syn. for Orthis occidentalis. 



