106 MESOZOIC AND CENOZOIC ECHINODERMATA OF THE UNITED STATES. 



1844. 



Ravenel, Edmund, Description of some new species of fossil organic remains from the Eocene of South Carolina: Acad. 

 Nat. Sci. Philadelphia Proc, vol. 2, pp. 96-98, 1844. 



Forbes, E. D., [Description of fossil echinoderms from the Miocene of North America]: Geol. Soc. London Quart. Jour., 

 vol. 1, pp. 425, 426, 440, 445; Proc, vol. 4, pp. 559, 560, .574, 1845. 



Morton, S. G., Description of two new species of fossil Echinodermata from the Eocene of the United States: Acad. 

 Nat. Sci. Philadelphia Proc, vol. 3, p. 51, 1846. 



Agassiz, L., and Desor, E., Catalogue raisonne' des families, des genres, et des especes de la classe des 6chinodermes: 

 Soc. Nat. (zool.) Ann., 3d ser., vol. 6, pp. 305-374, 1846; vol. 7, pp. 129-168, 1847; vol. 8, pp. 5-35, 1847. 



Bouve, T. T., Pygorhynchus gouldii, a new Echinus from the Millstone grit of Georgia: Annals and Mag. Nat. Hist., 1st 



ser., vol. 20, p. 142, 1847. 



[Description of the Eocene of Georgia]: Boston Soc. Nat. Hist. Proc, vol. 2, p. 192, 1847. 



Pygorhynchus gouldii. a new Echinus from the Millstone grit of Georgia: Am. Jour. Sci., 2d ser., vol. 3, p. 437, 



1847. 



1848. 



Bronn, H. G., Index palseontologicus, 2 vols., 2,361 pp., Stuttgart, 1848. 



Couper, J. H., The buhr millstone and its fossils at Bainbridge, Ga.: Boston Soc. Nat. Hist. Proc, vol. 2, pp. 123-124, 



1848. 

 Ravenel, Edmund, Echinidae, recent and fossil, of South Carolina, 4 pp., 2 pis., Charleston, S. C, 1848. 

 Tuomey, M. , Report on geology of South Carolina, 293 pp. and appendix, 48 pp. , Charleston, S. C. , 1848. 



1849. 



Dana, J. D., Geological observations on Oregon and northern California: U. S. Expl. Exped. Wilkes; Geology, vol. 10, 

 pp. 611-678, atlas with plates, 1849. 



1850. 



Conrad, T. A., Descriptions of one new Cretaceous and seven new Eocene fossils: Acad. Nat. Sci. Philadelphia Jour., 



2d ser., vol. 2, pp. 39-41, 1850. 

 Michelin, Hardouin, Notice sur deux especes d'£chinides fossiles: Rev. et mag. zoologie. 2d ser., vol. 2, p. 240, 1850. 

 Ravenel, Edmund, Catalogue of the recent and fossil echinoderms of South Carolina: Am. Assoc. Adv. Sci. Proc, vol. 



3, pp. 159-160. 



1851. 



Bouve, T. T., [Descriptions of Eocene echinoderms]: Boston Soc. Nat. Hist. Proc, vol. 4, pp. 2-4, 1851. 

 Girard, Charles, [Descriptions of several new species of echinoderms]: Boston Soc. Nat. Hist. Proc, vol. 3, pp. 363— 

 368, 1851. 



1853. 



d'Archiac, Le Vicomte, and Haime, J., Description des animaux fossiles du groupe nummulitique de l'lnde, 373 pp., 

 36 pis., Paris, 1853. 



1853-1856. 



Bronn, H. G., Lethsea geognostica, 3 vols, and atlas, 1853-1856. 



1855. 



McCrady, J., [Descriptions of various fossil echinoderms from South Carolina]: Tourney, M., and Holmes, F. S.,. 



Pliocene fossils of South Carolina, 1855. 

 Michelin, H., Echinides vivants et fossiles des Antilles et du Golfe du Mexique: Soc. geol. France Bull., 2d ser., vol.. 



12, pp. 759-760, 1855. 



