1948 248 p., num. figs, one folding map, paperbound (original printed covers).Deals mainly with Insecta from this central-Libyan region, especially Coleoptera by P. de Peyerimhoff (with new species), ants, social wasps (Hymenoptera), and termites (Isoptera) by F. Bernard, aquatic Hemiptera (by R. Poisson), and small chapters on Lepidoptera and isopods. Bookplate of the entomologist Della Guiglia on front the flyleaf recto, vague stamp on front wrapper. Rare.