Studies on Amphibaenids (Amphisbaenia, Reptilia). 3. The small species from southern South America commonly identified as Amphibaena darwini
by Gans, Carl
$ 15.00
Studies on Higher Fungi: A Collection of Papers Dedicated to Dr. Alexander H. Smith on the Occasion of his Seventieth Birthday
by Bigelow, Howard E. and Thiers, Harry D. (editors)
$ 65.00
Studies on the Reproduction and Artificial Propagation of Fresh-Water Mussels
by Lefevre, George and Curtis, Winterton C.
$ 22.00
Studies on the Squacco Heron, Ardeola ralloides (Scop.). Part II: Secular changes in the numbers and distribution in the Palearctic range
by Jozefik, Mieczyslaw
$ 20.00
Studies the Umbelliferae. III: a Monograph of Cymoptera Including a Critical Study of Related Genera
by Mathias, M.M.
$ 45.00
Supplement 1919 to 1924 (inclusive) to Catalogue of the Coleoptera of America, North of Mexico
by Leng, Charles W. and Mutchler, Andrew J.
$ 45.00
Svensk flora, innefattande sveriges phanerogamvexter; med en kort, förberedande Vextlarä
by Högberg, D.
$ 50.00