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of Fossil Shells, p. 85, New Species of Ammonite and Baculite. 

 p. 93, Descriptions of New Species of Plagiostoma. 



TRYON, GEORGE W. A Monograph of the Order of Pholadacea, 

 etc., 1 vol., 8vo, 1 plate, Philadelphia, 1862. 



Editor of the American Journal of Conchology, Philadelphia, 1865- 

 1872, 7 vols., 8vo. Numerous plates. 



Monograph of the Fresh-Water Univalve Mollusca of the United 

 States, a new edition of Haldeman's work, with many additions, 2 vols., 

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American Marine Conchology, Philadelphia, 1873-1874 (Atlantic 

 Coast only), 1 vol., 8vo, 208 pp., 44 plates. (Tryon's Marine Conch.) 



Manual of Conchology, Structural and Systematic. Philadelphia, 

 1879 to 1888, 11 vols, (five on Land Shells). This most complete and 

 perfect general work on Mollusca, with figures of all known species, 

 finely colored by hand, is being continued by Mr. H. A. Pilsbry. 

 (Tryon's Manual.) 



VALENCIENNES, A. Recueil d'Observations de Zoologie, etc., par 

 Al. de Humboldt et A. Bonpland. Vol. II. Paris, 1833. 



Voyage autour du Monde sur la " Venus " pendant les Annees 

 1836-1839, par M. du Petit Thouars. 24 plates; issued in 1846. (VaL 

 Voy. "Venus.") 



WHITE, C. A. On Invert. Foss. from Pacific Coast, from Bull, of 

 U. S. G.eol. Survey, No. 51, Wash., 1889. Contains descriptions and 

 figures of seventeen Cretaceous and two Eocene species from California, 

 with plates; also several others from Oregon and Washington, with 

 older Mesozoic species from Alaska. See Catalogue of the published 

 writings of Dr. White, on Fossils, 1860 to 1885, by J. B. Marcou, in 

 Bulletin of U. S. Nat. Mus., No. 30, pp. 103 to 181. 



WOOD, SEARLES V. Monograph of the Crag Mollusca. 5 parts. 

 London, 1886-1887, 4to, 81 plates. 



Eocene Bivalves, 1 vol., 1860 to 1877, 4to, 28 plates. (Wood, S., Crag 

 Moll, and Eocene Biv.) 



WOOD, WILLIAM. General Conchology, royal 8vo, 59 colored 

 plates. London, 1859. Index Testaceologicus; Catalogue of Shells 

 according to the Linnsean System, 8vo, 2,300 colored figures; same 

 date. See also Hanley's third edition, 1856. (Wood's Index Test.) 



WOODWARD, S. P. A Manual of the Mollusca; Recent and Fossil 

 Shells, London, 1851, 1 vol., 12mo, 25 plates, and many wood-cuts. 

 Also a later edition by R. Tate, with additions. Contains figures of 

 some West American shells, (Woodw. Man.) 



