Pyraiidse of the Subfamily Pyrauatinse. 131 



(55 r/) Phostria internervalis, sp. n. 



3 . Head, tegulae, and patagia dark brown, the outer edge of 

 tegula and base of patagia deep orange, the dorsum of thorax 

 white with dark brown dorsal streak ; abdomen white with dark 

 brown segmental lines, dorsal streak and lateral fascia? ; lower part 

 of frons white ; palpi white in front at base ; pectus and ventral 

 surface of abdomen white ; legs dark brown, the femora and tibiae 

 white below. Fore wing dark brown tinged with purple ; a slight 

 white streak below basal half of eosta ; a wedge-shaped white patch 

 in end of cell ; a broad white fascia in submedian fold from near 

 base to near termen with the submedian fold slightly streaked with 

 brown ; broad white fascia? in the interspaces above veins 2, 4, 5, 

 and G to near termen leaving dark streaks on the veins and a patch 

 beyond the cell ; a short white streak above middle of vein 7 and a 

 while streak' above vein 3 towards termen. Hind wing white; the 

 veins arising from median nervure, vein 1 and the terminal part of 

 submedian fold and vein 6 streaked with dark brown tinged with 

 purple ; the eosta towards apex and termen rather narrowly dark 

 brown tinged with purple. 



Hah. Colombia, Choko, Juntas de R. Tamana and E. San Juan 

 {Palmer), 1 5 type. Exp. 44 mm. 



(G4e) JPJiostria arceosoma, sp. n. 



8 . Head, thorax, and abdomen glossy grey-brown, the last long 

 and slender ; palpi white in front except towards extremity ; pectus, 

 legs, and ventral surface of abdomen white tinged with brown, the 

 fore tibia? with dark band near extremity. Fore wing glossy gvey- 

 brown tinged with purple, the costal half of basal area rather 

 darker ; an indistinct dark antemedial line ; rather ill-defined 

 blackish spots at middle and end of cell with paler patches beyond 

 them ; an indistinct diffused brown postmedial line defined on 

 outer side by diffused whitish, excurved between veins 5 and 2, then 

 retracted to below end of cell; cilia with a fine white line at base. 

 Hind wing glossy grey-brown tinged with purple, the basal and 

 inner areas paler and. thinly sealed ; an oblique blackish discoidal 

 bar ; an indistinct rather diffused brown postmedial line defined on 

 outer side by whitish, somewhat bent outwards between veins 5 

 and 2, then retracted to below end of cell and excurved to inner 

 margin ; cilia with a fine white line at base. Underside whitish 

 tinged with brown, the terminal areas suffused with brown. 



Ilab. Cameroon's, Ja 11., Bitje (Bates), 3 d 1 type. Exp. 38- 

 48 mm. 



(11 a) Dichocroci* polystidzalis, sp. n. 



$. Head, thorax, and abdomen yellow, the fcegulse at sides, 

 patagia at base and middle and tnetathorax with black spots, the 



