205. Agassiz, Louis. Turtles of America. Embryology and Synopsis of. The complete monograph of the Testudinata, as pub. in Contrib. to Nat. Hist., of U. S. 2 vols., folio, 34 fine plates, plain and colored. Boston, 1857.$4.50

206. Baird, S. F. Atlas, Herpetology. Prepared under the Superintendence of. Large folio, half mor., plates 1 to 23, inclus. (lacks 24 to 32), finely engraved and colored. Being the Herpetology of the U. S. Exploring Expedition during 1838-1842, under command of Charles Wilkes, U. S. N. This atlas is complete as to the Batrachia and Ophidia; has part of the Sauria, but lacks all the Chelonia. With 4to vol. of text by C. Girard. 2 vols. Worth $30.00 complete. Phila., 1858.$10.00

207. Barton, Benj. S. A Memoir Concerning the Fascinating Faculty Which Has Been Ascribed to the Rattlesnake and Other American Serpents. Philadelphia, Henry Sweitzer, 1796. 70 pp., together with “Supplement” to same, in a “Letter to Prof. Zimmermann.” Phila., 1800. 40 pp., first ed., very rare, 2 pieces.$7.00

208. Barton, Benj. S. Supplement to A Memoir Concerning the Fascinating Faculty of the Rattlesnake and other American Serpents. 12mo, paper, 40 pp. Phila., 1800.$2.25

209. Barton, B. S. Some Account of the Siren Lacertina and Other Species of that Genus, etc. In a letter from Prof. Barton of Phila. to John Gottlob Schneider, of Saxony. A brochure of 33 pp., and a plate, of which Barton states in the preface only 50 copies were printed for select distribution among his friends. Phila., Jasper Harding, Printer, 1821.$3.00

210. Bonnaterre, l’Abbe. Tableau Encyclopedique et Methodique des Trois Regnes de la Nature. Erpetologie. Paris, 1789. Ophiologie. Paris, 1790. 2 vols. in 1, 4to, new half mor., all the fine copper-plate engravings of Reptiles and Batrachians. Complete as to these subjects.$3.75

211. Cook, M. C. Our Reptiles and Batrachians. The Lizards, Snakes, Frogs, etc., Indigenous to Great Britain. 12mo, illus., col. plate ed., as new London, 1893.$1.50

212. Cope, E. D. The Crocodilians, Lizards and Snakes of N. America. 1090 pp., 36 plates and illus. in text. U. S. Nat. Mus. Rep., 1898. Paper covers. The most compendious and recent authority on this wide subject. Wash., 1900.$3.00

213. Fowler, H. W. The Amphibians and Reptiles of New Jersey. Paper covers, 408 pp., 122 plates. Trenton, 1907.$1.25

214. Garman, H. Synopsis of the Reptiles and Amphibians of Illinois. Author’s ed. from Bull. Illinois State Laboratory N. History, vol. 3, pp. 215 to 390, plates 9 to 15, inclus. Fine copy in pr. covers of this rarity. Peoria, 1892.$2.00

215. Holbrook, John E. N. American Herpetology. Description of the Reptiles Inhabiting the U. S. Vol 1, 4to, new half mor., title-page and some plates mended, but complete. Vol. 1 contains 23 colored plates. This is the rare first ed. which the Author sought to recall from the subscribers on the issue of the third vol. Phila., J. Dobson, 1836.$8.00

216. Holbrook’s Herpetology. 63 odd plates, nearly all large paper from ed. of 1842, 19 of serpents, 18 toads and frogs, 5 lizards, 8 testudinata, 13 salamanders, all colored except 3. Rare lot.$8.00