SCHUCHERT.] 



INDEX AND BIBLIOGRAPHY. 333 



Productus symmetricus McChesney — Coutiuued. 



Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 17A, tigs. 19, 20.— Keyes, Geol. 

 Survey Missouri, V, 1895, p. 48, pi. 36, fig. 2. 

 Loc. Lasalle aud Springfield, Illinois; Iowa; Missouri; Nebraska; Indiana. 



Productus tenuicostatus Hall. St. Louis (L. Carb.). 



Productus tenuicostatus Hall, Geol. Survey Town, I, Pt. II, 1858, p. 675, pi. 24, 

 fig. 2;— Second Ann. Kep. N. Y. State Geol., 1883, pi. 49, lig. 18.— Hall and 

 Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 18, fig. 18.— Keyes, Geol. Survey 

 Missouri, V, 1895, p. 44. 



Loc. Milan, Illinois. 



Productus truncatus Hall=Strophalosia truncata. 

 Productus tubulospinus Sheppard= Productus punctatus. 



Productus undiferus de Koninck. Upper Carboniferous. 



Productus undiferus de Koninck, Mom. de la Soc. Royale des Sciences de Liege, 

 IV, 1846, p. 153, pi. 5, fig. 4; pi. 11, fig. 5.— Norwood and Pratten, Jour. Acad. 

 Nat. Sci. Philadelphia, III, 1854, p. 9. 



Loc. Europe; Caseyville, Illinois; Posey County, Indiana. 



Ohs. See Productus boonensis Swallow. 



Productus villiersi d'Orbigny. Upper Carboniferous. 



Productus villiersi d'Orbigny, Voyage dans TAmerique Mcridionale, Pal., 1842, 



p. 53, pi. 4, figs. 12, 13. — de Koninck, Recherches snr les Animaux Fossiles, 



Pt. I, 1847, p. 109, pi. 11, fig. 1. — Norwood and Pratten, Jour. Acad. Nat. Sci. 



Philadelphia, III, 1854, p. 17. 



Loc. Yarbichambi, Bolivia; Keg Creek, Missouri. 



Productus viminalis White. Burlington (L. Carb.). 



Productus viminalis White, Proc. Boston Soc. Nat. Hist., IX, 1862, p. 29. 

 Loc. Burlington, Iowa. 

 Ols. White regards this species as a synonym for Productus costatus Sowerby. 



Productus vittatns Hall=Productus alternatus. 



Productus wabashensis Norwood aud Pratten = Productus longispina. 



Productus wallacianus Derby. Upper Carboniferous. 



Productus wallacianus Derby, Bull. Cornell Univ., I, 1874, p. 57, pi. 3, tigs. 



46-48; pi. 6, fig. 5. 

 Loc. Bomj<ardim and Itaituba, Brazil. 



Productus wilberanus McChesney=Productu8 nebraskaensis. 



Productus wortheni Hall. Keokuk (L. Carb.). 



Productus wortheni Hall, Geol. Survey Iowa, I, Pt. II, 1858, p. 635, pi. 19, fig. 1. 

 Loc. Nauvoo, Illinois. 

 Ohs. Compare with Productus marginicinctus Prout. 



Productus weyprechti Toula. Upper Carboniferous. 



Productus weyiirechti Toula, Sitzb. der k. k. Akad. der Wissensch. zu Wien, 



1873, p. 138, pi. 1, fig. 4. 

 Productus weyprechti? Etheridge, Quart. Jour. Geol. Soc. London, XXXIV, 1878, 



p. 631. 

 Loc. Cape Joseph Henry, hat. 82° 50'. 



PROTORHYNCHA Hall and Clarke. Genotype Atrypa dubia Hall. 



Protorhyncha Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 180;— 

 Thirteenth Ann. Rep. N. Y. State Geologist, 1895, p. 824. 



