124 



BRACHIOI^ODA. 



prattenianus, Norwood, 1854, Jour. Acad. 



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



Meas, [JSty. proper name.] 

 punctatiis, Martin, 1809, Petrif. Derb., 



Low. Carb. and Coal Meas. [Sig. 



covered with points, dotted.] 

 pyxidatus 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. nehrascensis. 

 scabriculu^, ( Conchy liolithus Anomites 



scabriculus) Martin, 1809, Petrif. 



Derb., Carb. [Sig. rough.] 

 scitulus. Meek & Worthen, 1860, Proc. 



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



neat, pretty.] 

 semipunctatus, 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.] 

 semistriatus, 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. 



Rep. Iowa, Keokuk Gr. [Ety. proper 



name.] 

 shumardianus, see Productella shumardi- 



ana. 

 speciosus, 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. Icm^ispinus. 

 suhaculeatus, see Productella subaculeata. 

 subalatus, see Productella subalata. 

 symmetricus, McChesney, 18 6 0, Desc. 



New Pal. Foss., 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. 



fine-lined,] 

 truncatus, see Productella truncata. 

 tuhulospinus, 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.] 

 wabaslieTisis, Norwood & Pratten, syn. for 



P. longispinv^. 

 vAlherianus, McChesney, syn. for P. ne- 

 hrascensis. 

 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 shell's. 



anomala. Winch ell, 1866, Rep. Low. Pen. 

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

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

 [Ety. proper name.] 



sequiradiata, Conrad, 1842, ( A t r y p a 

 sequiradiata) Jour. Acad. Nat. Sci,, 

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

 rayed.] 



conradi, McChesney, 1861, New Pal. Foss., 

 Oriskany sandstone. [Ety. proper 

 name.] 



cumberlandife, Hall, 1857, (Meganteris 

 cumberlandise) 10th Reg. Rep., Oris- 

 kany 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, 

 Oriskan}'^ sandstone. [Sig. intermedi- 

 ate.] 



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

 Held. Gr, [Ety, proper name.] 



tevis, Hall, 1857, (Meganteris la^vis) 10th 

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

 smooth.] 



Ixvis, Meek, 1868, This name was pre- 

 occupied. 



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

 3, Oriskany sandstone. [Ety. proper 

 name.] 



mutabilis, Hall, 1857, (Meganteris muta- 

 bilis) 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. [Et5^ 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, 1^864, 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.] 



meekiana, Shumard, 1858,Trans. St. Louis 

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

 name.] 



mormoni, Marcou, 1858, (Terebratula 

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

 [Ety, pro])er name,] This species was 

 subsequently, though in the same 

 year, described by Shumard under 

 the name R. punctilifera. 



