1912-1913 In two volumes. 194 p., several figs, 15 pls, large 4to, cloth. Includes: XIX. Lamb, Diptera: Lonchaeidae, Sapromyzidae, Ephydridae, Chloropidae, Agromyzidae. XX. Warburton, The Acarina of the Seychelles. XXI. Sicard, Coleoptera, Coccinellidae. XXII. Budde-Lund, Terrestrial Isopoda. XXIII. Bamford, Pelagic Actiniarian Larvae. XXIV. Christensen, On the Ferns of the Seychelles and the Aldabra Group. XXV. Eaton, Diptera, Psychodidae. XXVI. Eaton, Ephemeridae. XXVII. Campion, Odonata. XXVIII. Bouvier, Les Caridines des Seychelles.