new Species of Heterocera. 79 
shaded with grey from the middle to the inner margin; a 
dark brown spot at the end of the cell and a dark brown 
elongated streak close to the anal angle; the fringe dark 
brown: secondaries white, broadly bordered with brown. 
Expanse 13 inch. 
Hab. Kast Africa, Dar-es-Salaam (Mus. Druce). 
Fam. Noctuide. 
Gadirtha cristata, sp. n. 
Male.-—The head, antenne, collar, tegule, thorax, and 
abdomen dark grey ; the underside of the abdomen and legs 
whitish grey ; the first joint of the palpi black, the second 
and third pale grey. Primaries grey, thickly irrorated with 
black scales ; a black streak in the cell, two below the cell, one 
beyond the cell, and one close to the apex ; a zigzag black line 
crosses the wing beyond the middle from the costal to the inner 
margin close to the anal angle, two golden-green streaks on the 
costal margin, and one near the anal angle ; the inner margin 
near the base is irrorated with golden-green scales; a mar- 
ginal row of small black dots extends from the apex to the 
anal angle; the fringe alternately grey and white: second- 
aries semihyaline white, slightly dusky at the apex, the fringe 
white.—Lemale very similar to the male. 
Eixpanse, ¢ 275, 9 24 inches. 
Hab. Venezuela, Merida (Mus. Druce). 
Gadirtha stmilis, sp. n. 
Female.—The head, collar, and antenne black ; palpi, 
tegule, thorax, and upperside of the abdomen brown; the 
underside of the thorax, abdomen, and legs black. Primaries 
greyish brown, palest about the middle; three black bands 
near the base, the first on the costal margin, the second in the 
middle, and the third on the inner margin ; a fine ring-shaped 
black mark in the cell and an oval-shaped mark at the end of 
the cell; below the cell extending to the inner margin are 
several zigzag dark brown lines; a curved black line irro- 
rated with golden-green scales on the outer side crosses the 
wing beyond the middle from near the apex to the inner 
margin; near the apex are several black streaks; the mar- 
ginal line black; the fringe alternately black and brown: 
secondaries dark brown, paler at the base and along the inner 
margin; three small black lines close to the anal angle; the 
fringe dark brown. 
Exxpanse 2? inches. 
Hab. Venezuela, Merida (Mus, Druce). 
