360 Annals of the South African Museum . 



curved postmedial line, bent inwards and more prominent at costa 

 of fore wing. 



Hab. Natal, Victoria District (Gooch). Exp. $ 36, ? 40 mill. 

 Type in B.M. 



(6) POLYDESMA MAEMOEIFERA, Wlk. XV. 1718 (1858). 



Kab. Natal (Gueinzius), Durban (Leigh). Exp. $ 44, ? 50 mill. 



(7) PoLYDESMA QUENAVADi, Guen. Noct. ii. p. 438 (1852) ; Moore, 



Lep. Ceyl. iii. pi. 156, f. 1. 



Thria rohusta, Wlk. xiii. 1112 (1857). 



Pandesvia opposita, Wllgrn. Wien. Ent. Mon. vii. p. 149 (1863). 



Hab. Upper Egypt, White Nile; Eed Sea, Suakim; British 

 East Africa, Lari, Machakos ; Damaraland, Kuisip ; Transvaal 

 (Boss) ; Natal, Estcourt (Hutchinson) ; Basutoland, Maseru 

 (Crawshay) ; Aden ; Persia ; India, Ceylon, and Burma. Exp. 

 40-56 mill. 



(8) PoLYDESMA AMPHix, Cram. Pap. Exot. ii. pi. 134, c (1779). 

 Hab. Damaraland, Kuisip; India; "West Australia. Exp. 



32-38 mill. 



Genus PEOEUACA, nov. 



Type P. recurrens. 



Proboscis fully developed ; palpi short, porrect ; frons with large 

 conical prominence with raised rim at extremity broken down below; 

 antennae of female ciliated ; thorax with slight crests behind collar 

 and on metathorax ; abdomen smoothly sealed. Forewing with 

 veins 3 and 5 from near angle of cell ; 6 from upper angle ; 9 from 

 10 anastomosing with 8 to form the areole. Hindwing with veins 

 3, 4 from angle of cell ; 5 from just above angle ; 6, 7 from upper 

 angle. 



Sect. I. Frons without ridges across the hollow of the frontal 

 prominence. 



(1) Proruaca recurrens, n. sp. 



$ . Head and thorax grey mixed with black ; tegulse edged with 

 black, patagia at extremities and metathorax blackish ; pectus whitish ; 

 abdomen grey tinged with brown, the ventral surface whitish. Fore- 

 wing grey suffused with fuscous especially on inner and terminal 

 areas ; a black point at base of cell ; the subbasal line angled 

 outwards to the antemedial line below costa, then oblique to its 



