The annals and magazine of natural history : zoology, botany, and geology . t obsolete, being represented only by afaint nebulosity just discernible in the immediate vicinity ofthe bifurcation ot the median vein, and another even lessvisible at the near end of the long intercalar vein included inhe cubital fork; in the hind wing no spot can be seen. Inhe figure both of the wings are incomplete, and cross-veinletsm the costal area (roughly sketched) are omitted. Cabinet-pests have left too little remaining of body, Ws, and set*tor description, and the <J genitalia°are ill displayed Approxima
The annals and magazine of natural history : zoology, botany, and geology . t obsolete, being represented only by afaint nebulosity just discernible in the immediate vicinity ofthe bifurcation ot the median vein, and another even lessvisible at the near end of the long intercalar vein included inhe cubital fork; in the hind wing no spot can be seen. Inhe figure both of the wings are incomplete, and cross-veinletsm the costal area (roughly sketched) are omitted. Cabinet-pests have left too little remaining of body, Ws, and set*tor description, and the <J genitalia°are ill displayed Approximate length of wing, <? im. 13, ? subim. 15 mm. 1 o V-S SPMieS T i;eferrred four defective specimens :—1 ? Bubim., Nv^asaland, JDomira Bay, W. shore of LakeNyasa (18-21 Oct., 1910), S. A. Neave; 2 <J in U»a„daEntebbe (11-12 Aug., 1911), G. C. Goudey, 191™, Jo£SSMuseum; and 1 J 8Ubim, Uganda Prot., Tero Buddu, 3800 ft. (26-30 Sept., 1911), S. A AWEntomological Research Committee. Pentagenia, Walsh (18G3).A genus known hitherto from N. America Pentagenia sp. ?Neuration of wings, incomplete. w ? Pentagenia sp. «ubimago ? (dried).-Wings dull, semitransparent, smokyutish, with black neuration; the terminal margin outlined Sub 276 Rev. A. E. Eaton on with grey-black and skirted by a narrow edging of a smokytint shaded off inwards ; most of the longitudinal veins in thehind wings white. Abdomen probably yellowish white,with black markings, a somewhat serrated stripe on eachside of the dorsum being the principal. Fore legs opaque,subluteous ; hinder legs of a lighter yellow, especially thetibias ; ungues and joinings of their tarsi dark. Length of fore wing about 27 mm. Hah. British E. Africa, Ilala, Maramas Dish, 14 miles Mumias, 4500 feet alt. (June 18-21, 1911), S. A. Neave;1912, 20, British Museum. Hexagenia, Walsh (1863). All species previously known are natives of N. and and Asia respectively.
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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1838
