SCHUCHEET.] 



INDEX AND BIBLIOGRAPHY. 321 



Productus carbonarius de Kouinck. Carboniferous. 



Productus carbonariua de Koninck, Description Aniinaux Fossiles, 1844, p, 181, 

 pi. 12 bis, tig. 1. — Norwood and Pratten, Jour. Acad. Nat. Sci. Philadelphia, 

 III, 1854, p. 11. 

 Loc. Belgium; Fountain Bluft, Illinois. *^ . • 



Productus cestriensis Wortben=Productus fasciculatus. 



Productus chandlessii Derby. Upper Carboniferous. 



Productus chandlessii Derby, Bull. Cornell Univ., I, 1874, p. 51, pi. 4, tigs. 1-4,7, 



9-11, 13, 16; pi. 6, fig. 1;— Bull. Mus. Comp. Zool., Ill, 1876, p. 280. 

 Loc. Itaituba, Brazil; Yampopata, Bolivia. 

 Ois. Compare with Productus boliviaensis d'Orbigny. 



Productus clarkianus Derby. Upper Carboniferous. 



Productus clarkianus Derby, Bull. Cornell Univ., I, 1874, p. 59, pi. 6, fig. 6; 



pi. 9, figs. 12, 13. 

 Loc. Itaituba and Bomjardim, Brazil. 



Productus clavus Norwood and Pratteu=Proboscidella clava. 

 Productus conceutricus Hall = Prodnctella concentrica. 



Productus confragosus Conrad. Upper CT,rboniferous. 



Productus coufragosus Conrad, Trans. Geol. Soc. Pennsylvania, I, 1835, p. 268, 



pi. 12, fig. 5. 

 Loc. Alleghaiiy Mountains, Peuusylvania. 

 Ohs. Not well established. 



Productus cooperensis Swallow. Kinderhook (L. Carb.). 



Productus cooperensis Swallow, Trans. St. Louis Acad. Sci., I, 1860, p. 64C. — A. 



Winchell, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 115. 

 Productus cooperensis? A. Winchell, Proc. American Philosophical Soc, XII, 



1870, p. 249. 

 Loc. Cooper County, Missouri; Burlington, Iowa; Sciotoville, Ohio. 

 Ohs. Keyes regards this species as a synonym for Productella arcuata. 



Productus cora d'Orbiguy. Upper Carboniferous. 



Productus cora d'Orbigny, Voyage dans I'Am^riqueM^ridionale, Pal., 1842, p. 55, 

 pi. 5, figs. 8-10. — de Koninck, Recherches sur les Animaux Fossiles, Pt. 1, 1847, 

 p. 50, pi. 4, fig. 4 ; pi. 5, fig. 2. — Owen, Geol. Rep. Wisconsin, Iowa, and Min- 

 nesota, 1852, pp. 103, 136, pi. 5, fig. 1. — Norwood and Pratten, Jour. Acad. 

 Nat. Sci. Philadelphia, III, 1854, p. 6. — Marcou, Geol. North America, 1858, 

 p. 45, pi. 6, fig. 4. — Davidson, Quart. Jour. Geol. Soc. London, XIX, 1863, p. 

 174, pi. 9, figs. 22, 23.— Geinitz, Carbon und Dyas in Nebraska, 1866, p. 50.— 

 Derby, Bull. Mus. Comp. Zool., Ill, 1876, p. 281. — Dawson, Acadian Geology, 

 3d ed., 1878, p. 297, fig. 98.— Waagen, PaliPoutologica Indica, Ser. XIII, I, 

 1884, p. 677.— White, Thirteenth Rep. State Geol. Indiana, 1884, p. 126, pi. 

 26, figs. 1-3.— Herrick, Bull. Denison Univ., II, 1887, p. 47, pi. 2, fig. 26.— 

 Keyes, Proc. Acad. Nat. Sci. Philadelphia, 1888, p. 227;— Geol. Survey Mis- 

 souri. V, 1895, p. 47, pi. 37, fig. 2. 



Productus cfr. cora Toula, Sitzb. der k. k. Akad. der Wissensch. zu Wien, LIX, 

 1869, p. 9. 



Productus cora? Derby, Bull. Cornell Univ., I, 1874, p. 49, pi. 2, fig. 17; pi. 6, 

 fig. 17. 



Productus lyelli de Verneuil, Lyell's Travels in North America, II, 1845, p. 221. ->- 

 Dawson, Acadian Geology, 1855, ji. 219, fig. g. 



Productus sp. Christy, Letters on Geology, 1848, pi. 5, fig, 1. 

 Bull. 87 21 



