124 



BKACHIOPODA. 



prattenianus, Norwood, 1854, Jour. Acad. 



Nat. Sci. Phil., 2nd series, vol. 3, Goal 



Meas. [Ety. proper name.] 

 punctatus, Martin, 1809, Petrif. Derb., 



Low. Carb. and Coal Meas. [Sig. 



coveredv^^ith points, dotted.] 

 pyxidaiuB see Productella pyxidata. 

 rarispinus, see Productella rarispina. 

 rogersi, Norwood & Pratten, 1854, Jour. 



Acad. Nat. Sci:, Coal Meas. [Ety. 



proper name.] Prof. Meek regarded 



this as a synonym for P. uehraxcensia. 

 scabriculus, (Conchyliolithus Anomites 



scabriculus) Martin, 1809, Petrif. 



Derb., Carb. [Sig. rough.] 

 scitulus, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci., St. Louis Gr. [Sig. 



neat, pretty.] 

 seiidpunctatus, Hildreth, 1838, syn. for 



P. punctatus. 

 semireticulatus, Martin, 1809, {Conchyli- 

 olithus Anomites semireticulatus) Petrif. 



Derb., Keokuk Gr. [Sig. half-like a 



net or lattice work.] 

 aemistriatus, Meek, 1860, Proc. Acad. Nat. 



Sci., Coal Meas. [Sig. half-striated.] 

 .setigerus, Hall, 1858, Geo. Rep. Iowa, 



Keokuk Gr. [Sig. bearing bristles on 



the back.] 

 setigerus var. keokuk. Hall, 1858, Geo. 



Eep. Iowa, Keokuk Gr. [Ety. proper 



name.] 

 shumardianus, see Productella shumardi- 



ana. 

 speciosu^, see Productella speciosa. 

 spinulicostus, see Productella spinulicosta. 

 spinulosus, Sowerby, 1814, Min. Conch., 



vol. 1, Carb. [Sig. full of spines.] 

 splendens, Norwood & Pratten, 1854, 



Jour. Acad. Nat. Sci. Phil., vol. 3, 



Coal Meas. [Sig. splendid.] Prof. 



Meek regarded this as a synonym for 



P. longispinus. 

 imhaculeatus, see Productella subaculeata. 

 gubalatus, see Productella subalata. 

 symmetricus, McChesney, 1860, Desc. 



New Pal. Fobs., Coal. Meas. [Sig. 



symmetrical.] 

 tenuicostus, Hall, 1858, Geo. Rep. Iowa, 



St. Louis Gr. [Sig. slender-ribbed.] 

 tenuistriatus, Verneuil, 1845, Geol. Rus- 

 sia & Ural Mountains, Carb. [Sig. 



flne-lined.] 

 iruncatus, see Productella truncata. 

 tubulospinus, McChesney. Syn. for P. 



punctatus. 

 viminalis. White, 1862, Proc. Bost. Soc. 



Nat. Hist., vol. 9, Burlington Gr. 



[Sig. bearing twigs,] 

 vittatus. Hall, 1858, Geo. Rep. Iowa, Keo- 

 kuk Gr. [Sig. bound in a fillet or 



hair-lace.] 

 wabashensis, Norwood & Pratten, syn. for 

 . P. longispinus. 

 wilberianus, McChesney, syn. for P. ne- 



brasceiwis. 

 wortheni. Hall, 1858, Geo. Rep. Iowa, 



Keokuk Gr. [Ety. proper name.] 



PsEUDOCRANiA, McCoy, 1851, Ann. & Mag. 

 Nat. Hist., 2d series, vol. 8. [Ety. 

 pseudo, false ; Crania, a genus of shells. 



anomala, Winchell, 1866, Rep. Low. Pen. 

 Mich., Ham. Gr. [Sig. irregular.] 

 Renssel^eia, Hall, 1859, Pal. N. Y., vol. 3. 

 [Ety. proper name.] 



eequiradiata, Conrad, 1S42, (Atrypa 

 sequiradiata) Jour. Acad. Nat. Sci., 

 vol. 8, Low. Held. Gr. [Sig. equal- 

 rayed.] 



conradi, McChesney, 1861, New Pal.Fo.ss., 

 Oriskany sandstone. [Ety. proper 

 name.] 



cumberlandias. Hall, 1857, (Meganteris 

 cumberlandise) 10th Reg. Rep., Oris- 

 kan)' sandstone. [Ety. proper name.] 



elliptica. Hall, 1857, (Meganteris elliptica) 

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

 elliptical.] 



elongata, see Amphigenia elongata. 



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

 Oriskany sandstone. [Sig. intermedi- 

 ate.] 



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

 Held. Gr. [Etj'. proper name.] 



tevis. Hall, 1857, ("Meganteris Irevis) 10th 

 Reg. Rep., Low. Held. Crr. [Sig. 

 smooth.] 



hrris, Jleek, 1868. This name was pre- 

 occupied. 



marylandica. Hall, 1859, Pal. N. Y'., vol. 

 3, Oriskany sandstone. [Ety. proper 

 name.] 



mutabilis, Hall, 1857, (Meganteris niuta- 

 bihs) 10th Reg. Rep., Low. Held. Gr. 

 [Sig. changing, variable.] 



ovalis, Hall, 1857, (Meganteris ovalis) 

 10th Reg. Rep., Oriskany sandstone. 

 [Sig. oval.] 



ovoides, Eaton, 1832, (Terebratula ovoi- 

 des) Geo. Text-book,. Oriskany sand- 

 stone. [Sig. ovoid.] 



suessiana. Hall, 1857, (Meganteris sues- 

 siana) 10th Reg. Rep., Oriskany sand- 

 stone. [Ety. proper name.] 

 Retzia, King, 1850, Monograph of Permian 

 Foss. [Ety. proper name.] 



altirostris. White, 1862, Proc. Bost. Soc. 

 Nat. Hist., vol. 9, Chemung Gr. [Sig. 

 high-beaked.] 



cOmpressa, Meek, 1864, Pal. California, 

 Coal Meas. [Sig. compressed.] 



eugenia, Billings, 1861, Can. Jour., Ham. 

 Gr. [Ety. proper name.] 



marcyi, Shumard, 1851, (Terebratula 

 marcyi) Marcy's Exp. Red Riv., Coal 

 Meas. [Ety. proper name.] 



nieekiana, Shumard, 1858,Trans. St. Louis 

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

 name.] 



mormoni, Marcou, 1858, (Terebratula 

 mormonii) Geo. N. Amer., Coal Meas. 

 [Ety. proper name.] This species was 

 subsequently, though in the same 

 year, described by Shumard under 

 the name B. punctilifera. 



