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Show 1897.] CLASSIFICATION OF THE CHRYSAUGINEE. 663 Genus ACROPTERYX. Acropteryx, Eag. Ann. Soc. Ent. Fr. 1890, p. 469. Palpi upturned, the second joint reaching vertex of head, the 3rd short in male, long and oblique in female; frons with a tuft of hair ; antennae of male miuutely ciliated ; tibiae roughly scaled. Fore wing of male with the costa arched near base, excised beyond middle, the apex slightly produced upwards and falcate; a glandular swelling at base of costa below, with a large oblique tuft of hair at end of it met by a fringe from below median nervure ; the costa nearly straight in female ; vein 3 from near angle of cell; 4, 5 from angle; 6, 7 from upper angle ; 8, 9 absent in male, stalked with 7 in female ; 10, 11 free. Hind wing in male with small tufts of scales on veins 5, 6, 7 beyond the cell on underside ; vein 3 from near angle of cell; 4, 5 from angle ; 6, 7 from upper angle, 7 anastomosing slightly with 8. Fig. 30. Acropteryx herbacealis, 3 • SECT. I. Fore wing with the costa excised beyond middle, the apex slightly produced upwards and acute. (1) ACROPTERYX ARNEA, Cram. Pap. Exot. i. pl. 36, G. Surinam; Amazons. Botys llnalls, Feld. Eeis. Nov. pl. 137. f. 9. Type. (2) ACROPTERYX HERBACEALIS, Eag. Ann. Soc. Ent. Fr. 1890, p. 470, pl. 7. f. 1. Chiriqui; St. Martha. SECT. II. Fore wing with the costa evenly arched ; the apex rounded. (3)*ACROPTERYX NATTERERI, Feld. Eeis. Nov. pl. 136. f. 29. Brazil. Genus TERATOMORPHA. Teratomorpha, De Niceville, Journ. Bom. Nat. Hist. Soc. x. p. 192 (1896). Palpi upturned, the 2nd joint reaching vertex of head and moderately scaled in front, the 3rd short and naked; frons rounded; antennae almost simple; tibiae with the outer spurs about two-thirds length of inner. Fore wing with the costa arched at base and excised beyond middle, the apex bent upwards, |