326 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [Buix.fl7. 



Productus longispina Sowerby? — Continued. 



6, (ig. 7; pi. 8, fijj;. fi. — Meek and Worthen, Gool. Survey Illinois, Y, 1873, p. 



569, pi. 25, iig. 10.— White, Wheeler's Expl. and Survey west 100th Meridian, 



IV, 1875, p. 118, pi. 8, iig. 5.— Meek, King's U. S. Geol. Expl. 40th Pari., IV, 



1877, p. 78, pi. 8, fig. 4.— Hall, Second Ann. Rep. N. Y. State Gool., 1883, pi. 



50, figs. 1-4.— White, Thirteenth Rep. State Geol. Indiana, 1884, p. 127, pi. 



24, figs. 10, 11.— Herrick, Bull. Denison Univ., II, 1887, p. 48, pi. 2, figs. 25, 



27, 28. — Keyes, Geol. Surv<'y Missouri, V, 1895, p. 45, fig. 4. 

 Productus flemingi Roemer (uon de Koninck), Kreidebildung Texas, 1852, p. 



89, pi. 11, fig. 8.— Marcou, Geol. North America, 1858, p. 47, pi. 6, fig. 7. 

 Productus spleudens Norwood and Pratten, .Jour. Acad. Nat. Sci. Philadelphia, 



III, 1854, p. 11, pi. 1, fig. 5.— Schiel, Pacific R. R. Reports, II, 18.55, p. 108, pi. 



1, fig. 3.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 19, figs. 1^. 

 Productus spleudens ( ?) Meek and Ilayden, Proc. Afad. Nat. Sci. Philadelphia, 



III, 1859, p. 25. — Newberry, Ives's Rep. Colorado River of the West, 1861, 



p. 124. 

 Productus wabashensis Norwood and Pratten, .lour. Acad. Nat. Sci. Philadel- 

 phia, III, 1854, p. 13, pi. 1, fig. (). 

 Productus horridus Geinitz, Carbon und Dyas in Nebraska, 1866, p. 55, pi. 4, 



fig. 7. 

 Productus orbignyanus Geinitz ( ?non de Koninck), Ibidem, 1866, p. .56, pi. 4, 



figs. 8-11. 

 Productus (Marginifera) spleudens Smith, Proc. American Phil. Soc, XXXV, 



1897, p. 29. 

 Loc. Throughout the Upper Carboniferous of the United States; Bolivia. 

 Ohs. Since considerable uncertainty exists as to Sowerby's species, it may be 



better to adopt P. orbignyanus de Koninck for the above synonymy. P. 



costatoides is also regarded by Keyes as a synonym for P. longispinus. 



Productus longus Meek. Carboniferous. 



Productus sp. undet. Meek, King's U. S. Geol. Expl. 40th Pari., IV, 1877, p. 67. 

 Productus longus Meek, Ibidem, 1877, end of description. 

 Productus ivesi? Meek, Ibidem, 1877, pi. 7, fig. 6. 

 Loc. White Pine district, Nevada. 



Productus lyelli de Verneuil= Productus cora. 



Productus magnicostatus Swallow. Upper Carboniferous. 



I'roductus magnicostatus Swallow, Trans. St. Louis. Acad. Sci., I, 1860, p. 641. 



Loc. .lohnson County, Missouri. 



Ohs. Keyes regards this species as a synonym for P. semireticulatus. 



Productus magnus Meek and Worthen. Keokuk (L. Carb.). 



Productus magnus Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1861, 



p. 142;— Geol. Survey Illinois, III, 1868, p. 528, pi. 20, fig. 7.— Keyes, GeoL 



Survey Missouri, V, 1895, p. 41. 

 Loc. Monroe Coiinty, Illinois; St. Genevieve County, Missouri. 

 ()}>». Compare witli P. Ceiitoncnsis. 



Productus margaritaceus Phillips. Ul^per Carboniferous. 



Producta margnritacea Phillips, Geol. Yorkshire, II, 1836, p. 215, pi. 8, fig. 8. 

 Productus margaritaceus Norwood and Pratten, .Jour. Acad. Nat. Sci. Philadel- 

 phia, III, 1854, p. 6. 

 Loc. Near RidiTnond. Missouri. 



Productus marginicinctus Prout. St. Louis (L. Carb.). 



Productus marginicinctus Prout, Trans. St. Louis Acad. Sci., I, 1857, p. 13, pi. 2, 



figs. 1-16.— Hall, Ge(d. Survey Iowa, I, Pt. II, 1858, p. 674, pi. 24, fig. 3.— 



Keyes, Geol. Surv'ey Missouri, V, 1895, p. 43. 

 Loc. St. Louis, Missouri; Milan, Illinois. 

 Oha. See Productus wortheni Hall. 



