2049. Birds and Mammals. Kaup, J. J. Classification der Saugethiere und Vogel. Pr. paper covers, uncut, 144 pp., 2 plates. Darmstadt, 1844.$2.50
2050. Birds. Malherbe, Alfred. Faune Ornithologique de la Sicile. Precedee D’un Apercu de L’Histoire Politique, Scientifique, Litteraire et Artistique de la Sicile. 242 pp., uncut, binding loose, paper covers, worn, contents in fine condition, author’s autogr. pres. copy. Metz, 1843.$4.00
2051. Birds and Mice. Klein, Jacobi Theodori. Historæ Avium Prodromus Cum Praefatione de Ordine Animalium in Genere. Cum Historia Muris Alpini et Vetus Vocabularium Animalium cum Figuris. 4to, paper, uncut, unopened, 238 pp., 8 plates, very rare. Lubecæ, 1750.$6.50
2052. Birds. Muller, Adolf und Karl. Charakterzeichnungen der Vorzuglichsten Deutschen Singvogel. Boards, 112 pp. plates. Leipzig, 1865.$2.00
2053. Birds. Nilsson, S. Skandinavisk Fauna. Foglarna. 2 vols. Orig. printed paper covers, uncut, 456 + 534 pp. Complete on Birds. Lund, 1835.$5.00
2054. Birds. Schaefferi, Jac. Chris. Elementa Ornithologica Iconibus Vivis Coloribus Expressis Illustrata. Editio Secunda. 4to, boards, title with finely engraved and rubricated vignette, 70 hand-colored plates, fine copy. Ratisbonæ, 1779.$8.00
2055. Birds. Schinz, H. R. Naturgeschichte und Abbildungen der Vogel-Gattungen. Nach den neuesten Systemen zum Gemeinnutzigen Gebrauche entworfen, etc. Originalien und Lithographirt von K. I. Brodtmann. 2 vols. Folio, half mor., 1 vol. text, 1 vol. 144 finely executed plates on stone representing hundreds of Species. Zurich, 1830.$9.00
2056. Birds. Schlegel, H. Kritische Ubersicht der Europaischen Vogel. Printed covers, loose, uncut, 135 pp. + 116 pp., 2 titles. Leiden, 1844.$3.50
2057. Birds. Schlegel, H. Observations Zoologiques. A Collection of Separata by this author relating almost exclusively to Birds, apparently taken from some scientific magazine, various pagination, totaling about 150 pages, with 2 colored plates of Hawks numbered 5 and 6. Collected by some Ornithologist and bound together in half vellum. Folio. Circa. 1860.$3.50
2058. Birds. Smith, Rev. A. C. On Peculiarities in the Life History of the Cuckoo, Esp. re the Coloring of its Eggs. Paper, 16 pp. 1865.$1.00