Paris, Société Géologique de France, 1929. 4to (32.7 x 25.3 cm). 63 pp.; eight heliotype plates with explanatory text leaves. Original printed wrappers.

A fine, well-illustrated work. Published in the society's Mémoires. It deals mainly with brachiopods, including a new species. Written by the French geologist René Dehée (1898-1928). While on a geological mission, he died in a car crash in Togo, West Africa, shortly before this work was published. Uncut. Marking on front wrapper; wrappers a bit sunned towards the edges; otherwise, an excellent good, clean copy.