Researches in Polynesia and Melanesia: An Account of Investigations in Samoa, Tonga, the Ellice Group and the New Hebrides in 1924-25. Parts I—IV, Medical Entomology

The volume under review forms Part I of the results of an expedition to study filariasis in the Islands of the Pacific, and is devoted to the entomological side of the problem. In addition to this, there is a short account of the malaria problem of the New Hebrides group, the depopulation of which has already been treated of by the same author in a most interesting paper elsewhere {Trans. Roy. Soc. Trop. Med. Hyg.; XIX, 420?454), and a short account of the general medical entomology of the region. Let it be said at once that the investigation is a model of what such should be. In the first place the relationship of the two carrier species, Aedes (Stegomyia) variegatus Doleschall, and Aedes (Stegomyia) argenteus Poiret, fasciata Fab. is shown to the rest of the Culicine fauna and to the topography of the Islands. Thereafter the field biology of the "two species is studied in detail. The second half of the book is then devoted to a series