Species of Syntomide and Arctiade. 169 
patches ; abdomen with dorsal orange patch on first segment, 
lateral spots on first four segments and band on fifth segment 
except on ventral surface. Fore wing with rounded hyaline 
spot below the cell near base; a quadrate spot in end of cell ; 
an oblique spot below base of vein 2; elongate spots above 
veins 6, 4, and 3. Hind wing with hyaline patch below the 
cell and round spot between veins 2 and 3. 
Hab. Br. EH. Arrica, Kikuyu, Ruarka River, 5500 feet 
(Crawshay),1 9 type. Exp. 36 millim. 
Sect. I—Antenne of male with long branches, 
255 a. Tritonacha erubescens, sp. n. 
&d. Head and thorax brown; third joint of palpi, basal 
joint of antenne, streaks on femora and tibiz, and the tarsi 
crimson (abdomen wanting). Fore wing with a slight 
crimson tinge; the costa pale rufous from middle to near 
apex ; a round hyaline spot in end of cell; a small spot 
below base of vein 2, followed by a large round spot ; a post- 
medial series of four spots between veins 7 and 3, with the 
two lower displaced towards termen. Hind wing pale dull 
crimson ; a hyaline spot above base of vein 3, with a small 
spot above vein 4 and brownish suffusion beyond them. 
Hab. Br. K. Arrica, Uganda Ry., mile 478 (Betton), 1 ¢ 
type. Exp. 36 millim. 
289 a. Metarctia flavivena, sp. n. 
$. Head, thorax, and abdomen crimson ; antenna, tegule 
except edges, patagia, stripes on thorax, and the greater part 
of legs black; abdomen with slight segmental black lines, 
one on terminal segment more prominent, the ventral surface 
yellow, with black bands. Fore wing fuscous black, the 
veins, costa, inner margin, and cilia yellow. Hind wing 
yellow, with fuscous fascia on costal area ; some crimson hair 
at base of inner margin. 
?. Abdomen with the black bands rather more prominent ; 
hind wing with the interspaces of costal half suffused with 
black. 
Hab, Br. E. Arrica, Machakos (Crawshay), 1 g,1 9 
type; MASHONALAND, Salisbury (Marshall). Hap., S 42, 
2 46 millim. 
289 b. Metarctia fusca, sp. n. 
¢. Dark smoky brown; antenne with the shaft fulvous 
above towards base and at tips. Fore wing with pale 
