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Show 1887.] LEPIDOPTERA FRO.M TROPICAL AFRICA. 683 brown ; the underside of all the wings uniform pale reddish brown. Head, palpi, thorax, and abdomen bright golden brown. Antennae and legs dark brown. Expanse 1| inch. Hab. West Africa : Mongo-ma Lubah. This species is quite distinct from any known to me, but somewhat resembles E. argentea, Druce. NATADA UNDINA, n. sp. Primaries, the basal half dark brownish black, the outer half pale mouse-colour ; a submarginal black line extending from the costal margin close to the apex to the anal angle, where it is broken into black dots. Secondaries silky mouse-colour, the fringe slightly darker; the underside of all the wings uniform reddish brown. Head, collar, and thorax bright citron-yellow. Antennae and the abdomen dark brown. Expanse l\ inch. Hab. West Africa : Mongo-ma Lubah. Very distinct from any species of Natada known to me. NATADA ELSA, n. sp. Primaries dark glossy brown ; the basal third of the wing and a large apical patch rich chocolate-brown ; a narrow waved silvery white line crosses from the costal margin nearest the apex to the inner margin near the base, dividing the dark chocolate-brown from the outer part of the wings ; the apical patch is whitish on the inner side. Secondaries blackish brown, darkest along the inner margin. Head, thorax, and antennae dark brown. Abdomen blackish, the anus brown. Expanse If inch. Hab. West Africa : Calabar (Swan). A female specimen of this species is in the British Museum, from the Cameroons. Fam. BOMBYCID^E. TRILOCHA, Moore. T R I L O C H A I A N T H E , n. sp. Primaries reddish fawn-colour, with three reddish-brown points on the costal margin, a black spot at tbe end of the cell, and a reddish-brown patch on the outer margin nearest the apex ; on the inner margin are three indistinct, waved, narrow lines of a reddish-brown colour crossing to the middle of the whig. Secondaries uniform reddish fawn-colour, darkest at the anal angle and round the outer margin ; the inner margin streaked with whitish lines. The under-side of all the wings pale fawn-colour. The female the same as the male, but slightly larger. Expanse, 3, 1 inch. . Llab. West Africa: Gambia (Captain Moloney) ; South Africa: Grahams Town (Grote). |