scHccHERT.] INDEX AND BIBLIOGRAPHY. 329 



Productus occidentalis !N^ewberry. Upper Carboniferous. 



Productus occideutalis Newberry, Ives's Rep. Colorado River of the West, 1861, 



p. 122, pi. 2, figs. 9, 10. 

 Loc. Banks of Cascade River near the junction of Great and Little Colorado 



rivers. 



Productus orbiguyanus Geinitz (non de Koninck)= Productus longi- 

 spinus. 



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



Productus ovatus Hall, Geol. Survey Iowa, I, Pt. II, 1858, p. 671, pi. 24, fig. 1; — 

 Second Ann. Rep. N. Y. State Geol., 1883, pi. 49, fig. 19.— Hall and Clarke, 

 Pal. New York, VIII, Pt. I, 1892, pi. 18, fig. 19. 

 Loc. Ottumwa and Keosauqiia, Iowa. 



Productus papilio Gabb. Upper Carboniferous. 



Productus papilio Gabb, Jour. Acad. Nat. Sci. Philadelphia, 2d ser., VIII, 1881, 



p. 302, pi. 42, fig. 12. 

 Loc. Lake Titicaca, Bolivia. 



Productus papulatus Hall=Productella papulata. 



Productus parvulus A. Winchell. Kinderhook (L, Garb.). 



Producta parvula A. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 1863, p. 4. 

 Loc. Burlington, Iowa. 



Productus parvus Meek and Wortlieu. Kaskaskia (L. Garb.). 



Productus parvus Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1860, p. 

 450;— Geol. Survey Illinois, II, 1866, p. 297, pi. 23, fig. 4.— White, Wheeler's 

 Expl. and Survey west 100th Merid., IV, 1875, p. 83, pi. 5, fig. 6. 

 Loc. Chestei', Illinois; Mountain Spring, Nevada. 



Productus (?) pectinoideus Shepard. 



Producta pectenoidea Shepard, American Jour. Sci., XXXIV, 1838, p. 150, fig. 4. 

 Loc. Vermilionvillc, Lasalle County, Illinois. 



Oha. The geological position of this species may be Trenton or Upper Carbonif- 

 erous. The illustration is unsatisfactory. 



Productus pertenuis Meek. Upper Carboniferous. 



Productus cancrini Geinitz Cnon de Verneuil), Carbon und Dyas in Nebraska, 



1866, p. 54, pi. 4, fig. 6. 

 Productus pertenuis Meek, Final Rep. U. S. Geol. Survey Nebraska, 1872, p. 164, 



pi. 1, fig. 14; pi. 8, fig. 9. 

 Loc. Nebraska City, Nebraska; Leavenworth, Kansas; Kansas City, Missouri. 



Productus peruvianus d'Orbigny. Upper Carboniferous. 



Productus peruvianus d'Orbigny, Voyage dans I'Amerique Meridionale, Pal., 



1842, p. 52, pi. 4, fig. 4. 

 Loc. Yarbichambi, Bolivia. 

 Ohs. Probably a synonym for Productus semireticulatus. 



Productus phillipsi Norwood and Pratten. Carboniferous. 



Productus phillipsii Norwoorl and Pratten, Jour. Acad. Nat. Sci. Philadelphia, 



III, 1854, p. 8, pi. 1, fig. 2. 

 LjOc. Big Canyon, Humboldt RiAer, Utah. 



Productus pileiformis McChesney= Productus cora. 



Productus pileolus Shumard. Upper Carboniferous. 



Productus pileolus Shumard, Trans. St. Louis Acad. Sci., I, 1858, p. 291. 

 Loc. Guadalupe Mountains, Texas. 



