322 PALEONTOLOGY OF NEW YORK. 



185S. Froductus, Hall. Geol. Survey Iowa, vol. i. part 2. pp. 635-639. 674, 675, 712, pi. xii, fig-. 3; 



pi. xix, figs. 1-4 ; pi. xxiv, tigs. 1-3 ; pi. xxviii, tigs. 3^. 



185S. Productm, Hall. Trans. Albany Inst., vol. iv, pp. 12, 13. 



1S58. Productiis, Swallow. Trans. St. Louis Acad. Sci., vol i, pp. 181, 1S2, 215-217. 



1858. Productm, Suumard. Trans. St. Louis Acad. Sci., vol. i, pp. 290-292, pi. xi, fig. 8. 



1858. Prodnctiix, Rogers. Geol. Penna , vol. ii, part 2, \>. 833. 



1858. Productm. Marcou. Geology North America, pp. 45-48, pi. v, figs. 3-6 ; pi. vi, figs. 1, 3-7, 12. 



1859. Produclns, Meek and Havden. Proc. Acad. Nat. Sci. Philii., pp. 25, 26. 



1860. Productm, Meek. Proc. Acad. Nat. Sci. Phila., vol. xii, p. 309. 

 1860. Productus, Meek and Worthen. Ibidem, pp. 450, 451. 



1860. Productm, Worthek. Ti-ans. St. Louis Acad. Sci., vol. i, \\ 570. 



1860. Producttis. White. Jouni. Boston Soc. Nat. Hist., p. 230. 



1860. Productm, Swallow. Trans. St. Louis Acad. Sci., vol. i, pp. 640, 641. 



1860. Productm, McChbsnet. Descrip. New Species Paljeoz. Foss., pp. 34-40. 



1861. Productus, Salter. Quart. Jour. Geol. Soc. Lond., vol. xvii, p. 64. 



1861. Productm, Newberry. Ives' Rept. Expl. Colorailo River of the West, pi). 121-125, pi. i, tig. 7 ; 



pi. ii, tigs. 1-10. 



1861. Productus, Meek & Worthen. Proc. Acad. Nat. Sci. Phila., p. 142. 



1862. Productus, White. Proc. Best. Soc. Nat. Hist., vol. ix, p. 29. 



1863. Productm, Swallow. Ti'ans. St. Louis Acad. Sci., vol. ii, pp. 91-94. 



1863. Producta, A. Winchbll. Proc. Acad. Nat. Sci. Phila., vol. xv, p. 4. 



1864. Productm, Mbbk. Palaeontology of California, vol. i, p. 11, pi. ii, fig. 4. 



1865. Productm, A. Winchell. Proc. Acad. Nat. Sci. Phila., jip. 112-115. 



1866. Productus, Geinitz. Carbon .and Dyas in Nebraska, pp. 52, 54, 81, pi. iv. figs. 1-11. 



1866. Productm, Meek & Worthen. Geol. Surv. Illinois, vol. iii, pp. 280, 297, 320, pi. xx, fig. 5; pi. 



xxiii, tig. 4 ; pi. xxvi, tig. 4. 



1867. Productus, Hall. Palaeontology New York, vol. iv, p. 146. 



1867. Productm, Hall. Twentieth Rept. N. Y. State Cab. Nat. Hist , p. 245. 



1868. Productus, McChesney. Trans. Chicago Acad. Sci., vol. i, pp. 24-27, pi. i, figs. 7-11; pi. vi, fig. 1. 

 1868. Productus, Meek & Worthen. Geol. Surv. Illinois, vol. iii, ]i. 528, pi. xx, tig. 7. 



1870. Producta, A. Winchell. Proc. American Philos. Soc, vol. xii, p. 249. 



1871. Productus, Meek. Palaeontology Eastern Nebraska, pp. 159-169, pi. i, tig. 14; pi. ii, tigs. 2, 5, 



6 ; pi. iv, tigs. 5, 6 ; pi. v, tigs. 6, 7, 11, 13 ; pi. vi, tigs. 6, 7 ; pi. viii, tigs. 

 6, 9, 10, 13. 

 1873. Productus, Worthen. Geol. Sui-v. Illinois, vol. v, p. 569; pi. xxv, fig. 9. 



1873. Productus, Meek & Worthen. Ibidem, p. 569, pi. xxv, tigs. 8, 10, 13. 



1874. Productus, Derby. Bull. Cornell Univ., vol. i, pp. 47, 49, 51, 54, 56, 59, pi. i, figs 2, 10-13. 15; 



pi. ii, tigs. 14, 17; pi. iii, figs. 20, 41-44, 46-49; pi. iv, tigs. 1-4, 7-11, 13, 

 16; pi. vi, tigs. 1, 4-7, 9, 17, 18; pi. vii, tigs. 5-7, 15, 16; pi. ix, tigs. 12, 13. 



1875. Product-US, Meek. Paleontology Ohio, vol. ii, p. 282, 283, pi. x, tigs. 3, 4. 



1875. Productus, White. Wheeler's Geogr. and Geol. Surv. west 100th meridian, pp. 83, 109-116, 120, 



pi. V, tig. 6 ; 111. vii, figs. 1, 2 ; pi. viii, figs. 1-6. 



1876. ProductvAS, Meek. Bull. U. S. Geol and Geogr. Surv. Terr., vol. ii, p. 354, pi. i, fig. 1. 

 1876. Productus, Derby. Bull. Mus. Conip. Zool., vol. iii, pp. 280, 281. 



1876. Productus, Newberry. Rept. Macomb's Expl. Exped. from Santa Fe to junction of Gr.aud and 



Gi'een Rivers of the Great Colorado of the west. 



1877. Productm, Hall & Whitfibld. U. S. Geol. Expl. 40th Parallel, vol. iv, pp. 265-268, pi. v, 



figs. 3-12. 



1877. Productus, Meek. Ibidem, pp. 64-67, 69, 72-76, pi. vii, tigs. 3-8 ; pi. viii, tigs. 2-4. 



1878. Productus, Dawson. Acadian Geology, third ed., pp. 296, 297. 



1880. Productm, White. Proc. U. S. Nat. Mus., p. 46. 



1881. Productus, White. Tenth Ann. Rept. Indiana State Geologist, p. 148, jil. viii, figs. 7, 8. 



