8CHUCHERT.] INDEX AND BIBLIOGRAPHY. 333 



Productus symmetricus McChesuey — Continued. 



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

 Survey Missouri, V, 1895, p. 48, pi. 3G, lig. 2. 

 Loc. Lasalle auil Spriugfield, Illinois ; Iowa; Missouri; Nebraska; Indiana. 



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



Productus tenuicostatus Hall, Geol. Survey low.i, I, Pt. II, 1858, p. 675, \)\. 21, 

 fig. 2;— Second Ann. Kep. N. Y. State (ieol., 1883, pi. 4il, (ig. 18. — Hall and 

 Clarke, Pal. Now York, VIII, Pt. I, 1892, pi. 18, lig. 18.— Keyes, Geol. Survey 

 Missouri, V, 1895, p. 41. 



Loc. Milan, Illinois. 



Productus truncatus Hall=Stroi)halosia truncata. 

 Productus tubulospinus Sheppard= Productus punctatus. 



Productus undiferus de Koniiick. Upper Carboniferous. 



Productus undiferus dc Koninck, Mcni. de la Soc. Royale des Sciences de Lidge, 

 IV, 1846, p. 153, pi. 5, tig. 4; pi. 11, lig. 5. — Norwood and Pratteu, .lour. Acad. 

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



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



Ohs. See Productus boonensis Swallow. 



Productus villiersi d'Orbiguy. Upper Carboniferous. 



Productus villiersi d'Orbiguy, Voyage dans rAmc'rique Meridionale, Pal., 1842, 

 p. 53, pi. 4, figs. 12, 13. — de Koninck, Recherches sur lea Auimaux Fossiles, 

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

 Philadelphia, III, 1854, p. 17. 



Loc. Y'arbichambi, 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. 

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



Productus vittatus Hall = Productus alternatus. 



Productus wabashensis Norwood and Pratteu = 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. Bomjardim and Itaituba, Brazil. 



Productus wilberanus McChesney=Productus 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. 

 Oia. Compare with Productus marginicinctus Prout. 



Productus weyprechti Toula. Upper Carboniferous. 



Productus weyprechti Toula, Sitzb. der k. k. Akad. der Wisseusch. zu Wien, 



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

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



p. 631. 

 Loc. Cape Joseph Henry, lat. 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. 



