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Show 150 MESSRS. GODMAN AND SALVIN ON [Feb. 18, series of prominent oblong tubercles. Heel without prominence. Very dark-coloured, a more or less distinct small white spot on the middle of the side; each toe generally with a narrow white ring. Two males, 10 inches long, the tail measuring exactly one half. 3. Descriptions of new Species of Rhopalocera from Central and South America. By F. D U C A N E G O D M A N , F.Z.S., and O S B E R T SALVIN, F.R.S. [Received January 29, 1879.] (Plate XIV.) The following descriptions are all taken from specimens in ; they relate to species many of which have long remained unnamed ; to these we have added descriptions of some recent acquisitions. Figures of all the Central-American species will shortly be published. EUTRESIS HYSPA. S . Exp. 3*9 in. Allied to E. hyperia, D. & H. (Gen. Diurn. Lep. i. p. 112, Suppl. PI. f. 2) : but the primaries are diaphanous where in E. hyperia they are fulvous; the secondaries also are almost diaphanous, the inner edge of the dark margin, especially near the anal angle, the spot at the end of the cell, and the nervules alone being fulvous. To E. theope (nob. P. Z. S. 1877, p. 60) it is more nearly allied, differing chiefly in the broader margin of the secondaries and the greater restriction of the fulvous on those wings. Hab. Ecuador, Jorge, Guadalquiza (Buckley). ATHESIS DEMYLUS. cS. Exp. 3 in. Nearly allied to Dircenna dercyllidas, Hew. (Trans. Ent. Soc. ser. 3. ii. p. 248, pi. 16. f. 4), of which it is a more southern race. The transverse markings of the primaries are very narrow, the whole of the wing being diaphanous with the exception of the dark margins, the remains of the transverse bands being represented by the dark nervules. The transverse band of the secondaries is narrower, as well as the outer margin. Hab. Southern Ecuador. W e have two male specimens of this species which were sent from the confines of Ecuador and Peru some years ago. We have hesitated to describe it before being convinced of the constancy of its differential characters. MELINJEA HICETAS. 6 . Exp. 3*4 in. Allied to M. maelus (Hew. Ex. Lep., Mecha-nites, t. 3. f. 6), but differing in the absence of yellow in the cross band of the primaries, this portion of the wing being of the same colour as the base. The apex is black, enclosing three yellowish |