28 Mr. G. A. Boulenger on Reptiles and Batrachians portlons are pale and nearly contiguous, each ending in a black cylindrical process. ?. Tenth segment above with a slight broad excision in the middle of its posterior margin. Appendages yellow, conical, acut% shorter than the tenth segment. Ventral valvules having ~he lower, edge microscopically denticulat% from between them arises a straight blackish process; their appendages filiform, black, curved downward. Length of abdomen (cure append.),

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... c~ 33 millim., 9 36 millim, ; expanse of wings, d' 42-44 millim., ~ 46-48 millim.; length of posterior wing, c~ 21 millim., ? 22-23 millim. Hab. Tamatav% Madagascar. Two males and two females. In coloration this considerably resembles the Asiatic L. umbrlna~ Sclys. No doubt it is allied to L. icterica, Gerst., from Mombas on the Zanzibar mainland, which was based on a single mutilated example ; but, according to the description, the latter cannot be identical, it being smaller, paler, with longer pterostigma, the longitudinal nervures yellow~ no black lines on the legs, &c.