Pacaud, A. — Contribution à l'écologie des cladocères.

Paris, Laboratoire d'Évolution des Êtres organisés, 1939. 8vo (25.2 x 16.3 cm). 260 pp.; 32 text illustrations, three plates. Original printed wrappers. = An important study on Daphnia and related Cladocera. The plates show habitats/landscapes in France. Dedication copy. With a handwritten dedication by the author, the botanist André Pacaud, to the marine biologist, ichthologist and director of the Service des Pêches Coloniales, Robert Philippe F. Dollfus (1887-1976). Published as Supplément XXV of the Bulletin Biologique de France et de Belgique. Uncut. A very good copy.