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Show 1 22 MR. A. G. BUTLER ON [Feb. 16, the absence of an accessory cell, in the non-furcate subcostal branches, in the very important point of the absence of a costal vein to the secondaries, the simple instead of forked subcostal vein, the presence of a radial vein, which in Mydrodoxa is absent, and the more slender legs with better defined tibial spurs. Altogether, in spite of a similarity in the palpi of Mydrodoxa and Mydro-thanma, the latter is decidedly more nearly allied to Eupyra. Type M. ada. MYDROTHAUMA ADA, n. sp. (Plate VI. fig. 1.) 3 . Nearest to M. semperi (Mydrodoxa semperi, Druce, P. Z. S. 1885, p. 519, pi. xxxii. fig. 1), which is a true Mydrothauma, but far more beautiful; primaries above velvety greenish black, with three metallic violet spots forming an arched stripe across the base ; a narrow band of gold with diffused greenish edges across the basal third, its inferior extremity not quite reaching the inner margin ; the disk almost wholly occupied by two large unequal golden spots or patches with diffused greenish edges : secondaries intense sericeous black ; the costal area greyish; a minute steel-blue spot at the end of the cell ; a trifid subcuneiform hyaline patch divided by the second and third median branches: head and collar vivid carmine; thorax velvety black, the meso- and metathorax clothed at the sides with deep smoky brown hair: abdomen blackish brown, almost black, with velvety black lateral tufts; each segment marked with lateral metallic violet-blue dashes : wings below very like the under surface of M. semperi, excepting that they are blacker, the discocellular veinlets are defined by metallic blue instead of green spots, and the gold and green on the external area is much more extended ; body below black, the legs and sides of venter spotted with metallic blue spots. Expanse of wings 48 millim. A single example only of this charming novelty was captured by Mrs. Prver, to whom (at her husband's request) I have dedicated it. PHISSAMA VACILLANS. Amphissa vacillans, Walker, Lep. Het. iii. p. 685. n. 1 (1855). LITHOSIID^E. CABARDA BIZONOIDES. Lyclene bizonoides, Walker, Journ. Linn. Soc. vi. p. 111 (1862). C. molliculana= C. sequens is perhaps only a variety of this species. KATHA, sp. inc. The single example is not perfect and therefore I hink it better not to describe it ; it is like a small example of K. inlermixta Walk., from Southern India, but the face is greyer. |