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Show 40 MR. C. V. A. PEEL AND OTHERS ON [Jan. 23, GH. nigrofasciatus de G., and OS. infernalis8auss., and falls OS. senegalensis Kr. and 03. abruptus Sauss. From both of these it differs in the acute angle of the posterior border of the pronotum, at least in the male (this angle is more obtuse in the female). I have drawn up the description on the model of de Saussure's synoptical table, in which he distinguishes these two species. ACROTYLUS LONGIPLS (Charp.). Somaliland (1895 or 1897), one female. West Somaliland (1895), one male and two females. These specimens are the red variety, the same as recorded by me from Sokotra (P. Z. S. 1898, p. 384). PYRGOMORPHID^:. CHROTOGONUS LUGUBRIS Blanch. Somaliland (1895 or 1897). One male, two larva?. PHYMATEUS STOLLII Sauss. North-west Somaliland, Whardi Datal, July 26, 1895. Two males and two females. PH. MORBILLOSUS Serv. ? North Central Somaliland: Haud, Odewein, June 23,1897. Two larva?. (" Dry river, thickly wooded banks."-C. V. A. P.) I refer these larva? with some hesitation to P. morbillosus. PYRGOMORPHA GRYLLOIDES (Latr.). North-west Somaliland: Whardi Datal, July 26, 1895. One female. ACRTDIID.E. SCHISTOCERCA PEREGRINA (Oliv.). North-west Somaliland: Gooban District, between Hargaisa and Berbera, August 6, 1895. Six males, one female. North Central Somaliland : Hand, Odewein, July 23. 1S97. Four nymphs. (" Dry river, thickly wooded banks."-C. V. A. P.) Also five very young larva?. ACRIDIUM SUCCINCTUM Serv. (nee Linn. = ruficorne, Serv. et Stal). West Somaliland (1895). One male and one female. SAURACRIS, gen. nov. Corpus apterum, depressum, granulatum, nitidum. Oculi pro-minuli, a supero visi, subcontigui. Frons reclinata ; antenna; filiforrnes. Pronotum deplanatum, carinis nullis, sulcis instructum, margine postico subsinuato, lobis defiexis marginibus antico et pwstico obliquis, inferiore subrecto. Elytra |