494. Cuvier, M. Essay on Theory of the Earth. Trans. from French by Robert Kerr, with Mineralogical Notes, etc., by Prof. Jameson. Full mor., full gilt, 265 pp., illus., fine copy, very rare. Edinburgh, 1813.$3.00
495. Cuvier, Geo. Researches sur les Ossemens Fossiles. 5 Vols., less vol. 1. Half calf, from the library, and each vol. has the book-plate of Prof. Richard Owen. Paris, 1834.$2.25
496. Dawson, John Wm. Acadian Geology, Account of the Geological Structure and Mineral Resources of Nova Scotia and Portions of Neighboring Provinces of British America. 12mo, large colored map, illus., scarce, first edition. Edinburgh, 1855.$1.50
497. Eaton, Amos. Index to Geology of Northern States, Etc., to which is Prefixed a Geological Grammar. Second ed., pub. under Direction of Troy Lyceum. 12mo, calf, 286 pp., plates, rare. Troy, N. Y., 1820.$2.00
498. Eduardi, Luidii. Lithophylacii Britannici Ichnographia. Sive Lapidum Fossilium Britann. singulari figura insignium. Distributio Classica; Additis rariorum aliquot figuris aere incisis. Editio Altera. Calf, 24 folding plates, 156 pp. Oxonii-Typogr. Clarend., 1760.$2.50
499. Featherstonhaugh, G. W. Monthly American Journal of Geology and Natural Science, etc., Jan., 1832. Vol. 1, No. 2, 2 lithogrs., paper, uncut, scarce. Phila., 1832.$2.00
499A. Featherstonhaugh. Same. Oct. and Nov., 1831.$3.50
500. Finch, I. On the Natural Boundaries of Empires, an Essay to Shew the Effect of the Geological Structure of the Earth on the Political Boundaries of Nations. 455 pp., very curious and rare. Chapter on the U. S. Printed in Montreal (?), n. d.$2.50
501. Fisher, Geo. P. Life of Benj. Silliman, M. D. Chiefly from His Manuscript Reminiscences, Diaries, etc. 2 vols., uncut, 407+408 pp., frontis., A. L. S. in each vol. to J. Redfield, of Phila., whose name is written in each vol. N. York, 1866.$6.00
502. Greennough, G. B. (of Geol. Soc. F. R. S.). Critical Examination of First Principles of Geology. Calf, gilt, fine, 336 pp. London, 1819.$1.25