BRACHIOPODA. 321 



Genus PRODUCTUS, Sowerby. 1812. 



PLATE XVHa, figs. 13-24; PLATE XVni, FIGS. 6-19; and PLATE XIX, FIGS. 1-23. 



1778. Anomia, Da Costa. British Conchology. 



1780. Gryphites, Walch. Beitr. zur Geschichte der Gi'yphiten. 



17S5. Anomia, Pyxis, Chemnitz. Neues Systemat. Konchylien-Kabinet, vols, vii, viii. 



1789-92. .(4?-ca, Brugtjieke. Hist. Naturelle des Vers testaces. 



1793. Anomia, Ure. History Ruthei'g-len and East Kilbride, p. 314. 



1801. Tndacna, Lamaeok. Animaux sans Vertebres. 



1809. Anomites, Martin. Petrefacta Derbiensia, pis. xv, xvi, xxii, xxxii, xxxiii, xxxvi, xxxvii. 



1811. Tngonia, Parkinson. Organic Remains, vol. iii, pi. xii, fig-. 11. 



1812-14. ProducUiS, Sowerby. Mineral Conchology. 



1826. Protonia, Linck. Handb. d. physikal. Erdbeschreib. 



1 826-33. Leptcena, Goldfuss. Petrefacta Germanise. 



1828. Lcptwna, Dalman. Uppstalln. ocii Beskrifn. Sver. funne Terebrat. 



1829. Terebratula, Rang. Manuel de I'hist. natur. des Mollusques, etc. 



183'1. Mytilus, Fischer. Oryctogr. du Gouv. de Moscou, p. 181, pi. xix, fig. 4, 



1831. Ai'huseidites, Murray. Acc't of A. argentea fi-om Carb. limest. 



1835. Productus, Conrad. Trans. Geol. Soc. Penna., vol. i, p. 268, pi. xii, fig. 5. 



1836. Productus, Morton. American Journ. Sci. and Arts, p. 153, pi. ii, fig. 2 ; pi. xxxix, figs. 38, 39. 



1836. Pivducta, Pinna, Phillips. Geology of Yorkshire, vol. ii. 



1837. LeptORna, Fischer. Oryctogr. du Gouv. de Moscou, p. 144, pi. xxi. 



1838. Productus, Shepard. Am. Journ. Sci. and Arts, vol. xxxiv, p. 153. 

 1840. Lima, Von Buch. Karsten's Arcliiv. fiir Minei'al. Geogn. etc., p. 60. 



1840. Pecten, Eichwald. Bull, scientif. de I'Acad. de St. Petersbourg, vol. vii, p. 86. 



1841. Clavagella, Goldfuss. Petrefacta Gej-manise, vol. ii, p. 285, pi. clx, fig. 17. 



1841. LeptCBna, J. de C. Sowerby. Mineral Conchology, vol. vii, pi. 615. 



1842. Productus, D'Orbigny. Voyage dans I'Amerique Meridionale Palaeontology, pp. 51-55, pi. iii, 



figs. 24-26, pi. iv, figs. 1-9, 12, 13, pi. v, figs. 4-10. 

 1844. LeptCBna, McCoy. Synopsis Cbaract. Cai-bon. Limest. Ireland, pi. xix, fig. 12. 



1844. Strophomena, Potiez and Michaud. Galerie des Mollusques de Douai, vol. ii, pi. xlii, fig. 5. 



1845. Productus, de Verneuil. Geol. de la Russie et des Mont, de I'Oural, p. 246. 

 1845. Productus, de Verneuil. Travels in North America, vol. ii, p. 221. 



1847. Productus, de Koninck. Recherches sur les Animaux fossiles ; Monogr. du genre Productus. 



1851. LeptCBna (partim), de Koninck. Descr. des Animaux. Foss. du Terrain Carb. de Belgique. 



1852. Productus, Owen. Geol. Surv. Wisconsin, Iowa and Minn., pp. 103, 136, 584, pi. v, figs. 1, 3. 



1852. Productus, Hall. Stansbury's Expl. Great Salt Lake Region, p. 412, pi. iii, figs. 3, 5, 6. 



1853. Productus, Shdmard. "Marcy and McClellan's Expl. Red River of Louisiana, p. 201, pi. i, fig. 5 ; 



pi. ii, fig. 1. 



1854. Productus, Norwood & Pratten. Journ. Acad. Nat. Sci. Phila., vol. iii, pp. 6-20, pi. i, figs. 



1-3, 5, 6, 8-11 ; pi. ii, fig. 1. 



1855. Producta, McCoy. British Paleozoic Fossils, p. 473. 

 Producttis of authoi's generally. 



1855. Productus, Schiel. Rept. Expls. and Survs. from the Mississippi River to the Pacific Ocean, 



pi. i, fig. 3 ; pi. ii, figs. 4, 5. 



1855. Productus, Shdmard. Geol. Rept. Missouri, pp. 201, 216, pi. c, fig. 10. 



1856. Productus, Hall. Rept. Expls. and Survs. from Miss. River to Pacific Ocean, vol. iii, p. 103, 



pi. ii, figs. 16, 17. 



1857. Productus, Prout. Trans. St. Louis Acad. Science, vol. i, p. 43, pi. ii, figs. 1-16. 

 1857. Productus, Hall. Tenth Rept. N. Y. State Cab. Nat. Hist., p. 180. 



