Tropical Africa in the National Collection. 539 



PiTTHEA PERSPICUA. 

 Bomhyx perspicua, Linn., Syst. Nat., i, p. 505 (1758). 

 Leucopsumis cryptochroma, Walker, Proc. N. H. Soc. Glasg., 

 1 (ii), p. 331,. pi. 5, f. 3 (1869). 



1 ^, 1 $, Congo (Walker's types). 



PiTTHEA CONTINUA. 



Pitthea continua, Walker, ii, 463 (1854). 



Pitthea abbreviata, Warr., Nov. Zool., vi, p. 47 (1899). 



3 $, Lagos. 1 $, Sierra Leone. 1 ^, 1 ?, Ashanti. 3 $, 

 1 ?, Opobo. 1 ^. 1 ?, Old Calabar. 1 $, Congo. 1 $, 

 Gaboon. 1 $, Cameroons. 



Warren's type, a male from Warri, is in coll. Rothschild ; 

 the bands are narrower than usual, but there is no other 

 difference, and the Congo example is identical with it. 



Pitthea trifasciata. 



Turchheimeria trifasciata, Dewitz,Verh. Leop.-Carol. Akad., 



xlii, p. 82, pi. 3, f. 3 (1881). 

 Hymenocharta triplagiata, Warr., Nov. Zool., iv, p. 84 



(1897). 



1 % Niger. 1 $, Mombasa. 1 $, Mgana, Brit. E. Africa. 

 1 $, Zanzibar. 1 $, Mashonaland. 



Dewitz' type came from Zanzibar ; the type of triplagiata, 

 from Dar-es-Salaam, German E. Africa, is in coll. 

 Rothschild. 



Pitthea famula. 



Bombyx famiila, Drury, 111. Exot. Ent.,ii,pl. 11, f 3 (1773). 

 Nyctemera expandens, Walker, ii, 398 (1854). 

 Nyctemera decisa, Walker, Proc. N. H. Soc. Glasg., 1 (ii), 

 p. 330, pi. 5, f. 2 (1869). 



2 <?, 1 ?, Old Calabar. 2 $, Sierra Leone. 3 ^, 1 $, 

 River Niger. 2 $, Angola, including the type of expandens. 

 1 $, Congo. 



Family GEOMETRIN^. 

 Genus Pseudoterpna, Hlibn., Verz., p. 284 (1818). 

 Pseudoterpna ruginaria. 



Hypochroma ruginaria, Guen., Phal., i, p. 278 (1857). 

 Hypochroma commutata, Walker, xxi, 429 (1860). 



