32fi SYNOPSIS OF AMEIilOAN FOSSIL BRACHIOPODA. fBuix.87. 



Productus longispina Sowerby"? — (3on tinned. 



tJ, iig. 7; pi. 8, l\g. (5. — Meek ami Wortlieu, Geol. Survey Illinois, V, 1873, p. 



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



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



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

 • 50, iigs. 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. Survey Missouri, V, 1895, p. 45, fig. 4. 

 Productus llomiugi Roemer (non de Koninck), Kreidebildung Texas, 1852, p. 



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

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



III, 1854, p. 11, pi. 1, fig. 5.— Schiel, Pacific R. R. Reports, II, 1855, p. 108, pi. 



1, fig. 3.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 19, figs. 1-4. 

 Productus splendens (?) Meek and Hayden, Proc. Acad. 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. 6. 

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



tig. 7. 

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



figs. 8-11. 

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



1897, p. 29. 

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

 Oba. 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. uudet. 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. 



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

 Loc. Johnson Countj', Missouri. 

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



Productus magnus Meek and Wortben. 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 County, Illinois; St. Genevieve County, Missouri. 

 Obs. Compare with P. fentouensis. 



Productus margaritaceus Phillips. Upper Carboniferous. 



Producta margaritaeea 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 Richmond, Missouri. 



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



Productus marginicinctus Prout, Trans. St. Louis Acad. Sci., I, 18.57, p. 43, pi. 2, 



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



Keyes, Geol. Survey Missouri, V, 1895, p. 43. 

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

 Oba. See Productus wortheni Hall. 



