Author: Salomonsen, Finn [1909 - 19??]
Title: Moults and Sequence of Plumages in the Rock Ptarmigan (Lapopus mutus (Montin))
Description: Copenhagen, P. Haase & Søn, 1939. orig.wrappers. 24x15cm, 491 pp, University of Copenhagen doctoral dissertation. Inscribed by author on half-title.. 7 folding charts. Minor rubbing. VG. ¶ Reprinted from Videnskabelige Meddlelser fra Dansk Naturhistorisk Forening, vol. 103." Contents: General Description of Moults & Plumages; Comparison of the Moult in Different Populations; Phenological Notes on the Moult; Physiological Notes on the Moult & Feather-Pattern.

Keywords: Rock Ptarmigan Moults, Bird Moult, Plumages Birds, Ferather Patterns, Plumage, Ornithology, Zoology, Biology,