Cotteau, G. — Notice sur le genre Asterostoma.

Paris, Société Géologique de France, 1871. Folio (33.5 x 25.6 cm). 8 pp.; two very fine lithographs by Humbert. Original printed wrappers. = The first illustrations and extensive descriptions of two Cuban sea urchins, probably from the Cretaceous. The author, Gustave Honoré Cotteau (1818-1894), was the leading expert in echinoderm systematics during the second half of the 19th century. Offprint with very wide margins. Clean. A very good copy.