I. Les Chalcidoides d' A.O.F. ; II. Les Microgasterinae d' A.O.F. de Risbec, J - 1951

Paris, Gouvernement général de l'Afrique Occidentale française, 1950. 4to (27.5 x 22.1 cm). 639 [499; 501-639] pp.;1553 [1463; 90] text figures; 4 [4; 0] plates. Original printed wrappers. Two well-illustrated papers by the French entomologist and malacologist Jean Risbec (1895-1964). The first deals with insects from various Sub-Saharan crops, including benign and noxious species; the second deals with parasitic wasps, and contains the descriptions and illustrations of many new and poorly known species. The drophead title of the second work is Proctotrupidés de la Section technique d'agriculture tropicale (O.A.F.) et proctotrupidés du Muséum national d'Histoire naturelle (Afrique et Colonies françaises). Front free endpaper partly clipped, the former owner name F. Gorriols, however, found in the top margin of p. 401; otherwise a very good, clean copy.

Paris, Société d'Éditions Géographiques, Maritimes et Coloniales, 1930. 8vo (25.2 x 16.4 cm). 41 pp.; 38 numbered text illustrations. Original pictorial wrappers. A well-illustrated work on all aspects of the top shell, Trochus niloticus, which is of economic importance, by the French malacologist and entomologist Jean Risbec (1895-1964). Published in the series Faune des colonies Françaises, edited by the French marine biologist [Jean] Abel Gruvel (1871-1940), being the complete Volume IV, Part 2. Wrappers slightly tanned, otherwise a very good, clean copy. Rare.

Paris, Société d'Ëditions Géographiques, Maritimes et Coloniales, 1928. 8vo (23.8 x 15.6 cm). 328 pp.; 98 (groups of) text illustrations; 16 plates of which 12 in full colour; map. Contemporary red half calf over red marbled boards. Gilt title on the spine. Marbled endpapers. A seminal, profusely illustrated work on New Caledonian nudibranchs by the French malacologist and entomologist Jean Risbec (1895-1964). The full colour illustrations by the author's father, Ernest Risbec (not in 2400 years of malacology), are beautiful and essential for understanding the richness and variability of tropical Indo-Pacific marine slugs. Most species were new. With an index to the species and an index of the contents. Contained in Faune des colonies Françaises, edited by [Jean] Abel Gruvel (1871-1940), being the complete second volume, with several other taxonomical (entomological) studies. Some rubbing to the boards, otherwise a very good, clean copy.

Memoirs de l'Institut Scientifique de Madagascar series E. Tome II. Single complete volume. Original printed wraps. 4to. 449p. 72 figures. In French. Internally near fine; cove Good, somewhat worn , bit of chippng on backstrip. .