BRACHIOPODA. 321 



Genus PRODUCTUS, Sowerby. 1812. 



PLATK XVIU, FIGS. 13-24; PLATE XVIIl, FIGS. 6-19; and I'LATE XIX, FIGS. 1-23. 



1778. Anomia, Da Costa. British Concliology. 



1780. QrypMtes, Waloh. Beitr. zur Geschichte der Gryphiten. 



1785. Anomia, Pyxis, Chemnitz. Neues Systemat. Koiichylien-Kabinet, vols, vii, viii. 



1789-92. Area, BaucniEBE. Hist. Natui-elle desVers testaces. 



1793. Anomia, Ubb. History Rutherglen and East Kilbride, p. 314. 



1801. Tridacna, Lamarok. Animaux sans Vertebres. 



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



1811. iPHporaia, Parkinson. Organic Remains, vol. iii, jil. xii, fig-. 11. 



1812-14. Productus, Sowbrby. Mineral Conchology. 



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



1S26-33. Leptaena, GohVV\]S&. Petrefacta Germanise. 



1828. LcjitCBna, Dalman. Uppstalln. och Beskrifn. Sver. funne Terebrat. 



1829. Terehratula, Rang. Manuel de I'hist. natur. des MoUusques, etc. 



183 '. Mytllus, Fischer. Oryctogi-. du Gouv. de Moscou, p. 181, pi. xix, fig. 4, 



1831. ArbmcuVites, Murray. Acc't of A. argentea from 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. Prodiieta, Pinna, Phillips. Geology of Yorkshire, vol. ii. 



1837. Leptmna, 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 Archiv. fUr Mineral. Geogn. etc., p. 60. 



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



1841. Clavagella, Goldfuss. Petrefacta Germanise, vol. ii, p. 285, pi. clx, fig. 17. 

 1841. Leptwna, J. de C. Sowbkby. Mineral Conchology, vol. vii, pi. 615. 



 1842. Productus, D'Orbigny. Voyage dans TAmerique Meridionale Palseontology, pp. 51-55, pi. iii, 



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

 1844. Leptwna, McCoy. Synopsis Charact. Carbon. Limest. Ireland, pi. xix, fig. 12. 



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



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

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



1847. Product-US, dk Koninck. Recherches sur les Animaux fossiles ; Monogr. du genre Productus. 



1851. Leptwna (partim), de Koninck. Descr. des Animaux. Foss. du Tei'rain Carb. de Belgique. 



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



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



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



pi. ii, fig. 1. 



1854. Productus, Norwood & Prattbn. 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. Producttis, Schiel. Rept. Expls. and Survs. from the Mississippi River to Ihe Pacific Ocean, 



jil. 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 Sui-vs. 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. ISO. 



