Studies of Inheritance and Evolution in Orthoptera. V. The Grouse Locust, Apotettix eurycephalus Hancock
by Nabours, Robert K.
$ 35.00
Studies of Waterfowl in British Columbia, No. 9: Barrow's Golden-eye, American Golden-eye
by Munro, J. A.
$ 12.00
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 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.
$ 36.00
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
Supplementary Notes on the Curassows now or once living in the Zoological Gardens
by Sclater, P.L.
$ 400.00
Svensk flora, innefattande sveriges phanerogamvexter; med en kort, förberedande Vextlarä
by Högberg, D.
$ 40.00