388. Nautilus, The. Edited by Averell, Pilsbry and Johnson. Vols. 3 to 9, inclus., complete in orig. parts. 7 vols. Phila., 1890-95.$5.00
389. Poe, Edgar Allan. The Conchologist’s First Book, A System of. Testaceous Malacology. Second ed., 12mo, boards, loose, 166 pp. Phila., 1840.$1.75
390. Prime, Temple. Monograph of American Corbiculadæ. (Recent and Fossil.) Uncut, fully illus., rare. Wash., 1865.$1.50
390A. Rainey, George. On the Mode of Formation of Shells of Animals, Bone and Several other Structures by Process of Molecular Coalescence, etc. 152 pp., uncut, illus. London, 1858.$1.25
391. Rafinesque, C. S. Monograph of the Fluviatile Bivalve Shells of the River Ohio, containing Twelve Genera and Sixty-eight Species. Trans. from the French of C. S. Rafinesque. Frontis. engraved by Lawson. 12mo, orig. linen boards, uncut, paper label, much sought for. Phila., 1832.$9.00
392. Rafinesque, C. S. Complete Writings of. On Recent and Fossil Conchology. Edited by W. G. Binney and G. W. Tryon, Jr. 103 pp., pr. covers, 3 plates. N. Y., etc., 1864.$1.75
392A. Rudiments of Conchology with Explanatory Plates and References to Collection of Shells in British Museum. New and Improved Edition. 12mo, 112 pp., colored plates. London, 1837.$1.25
392B. Schroter, Johann S. Die Geschichte der Flussconchylien mit Vorzuglicher Rucksicht auf diejenigen welche in den Thuringischen Wassern Leben. 4to, boards, 434 pp., 11 fine colored plates, full on Unionidæ. Halle, 1779.$6.00
393. Stimpson, Wm. Researches upon the Hydrobiinæ and Allied Forms. 56 pp., pr. paper covers, uncut, illus. Wash., 1865.$1.25
394. Tryon, Geo. W. Monograph of the Order Pholadacea, Etc., (including History of Conchology in U. S.) and 3 other Papers. Contrib. to Conch., Vol. 2; Author’s ed., pr. paper covers, 1 plate and figures, 127 pp., rare. Phila., Dec., 31st 1862.$2.25