FLETCHER— PTEROPIIORID^E. 401 



Hind wing cleft from about | and J : first segment dilated posteriorly, spatulate, apex 

 rounded, blunt ; second segment slightly dilated posteriorly, subtriangular, apex very 

 acute, termen slightly concave, hinder angle distinct; third segment sublinear, tomus 

 almost obsolete : fuscous-grey. Cilia greyish or pale fuscoas ; around apex blackish ; 

 darker on termen of second segment ; on dorsum whitish, dark fuscous subtomally, witli 

 a few scattered black scales throughout and a moderate black scale-tooth at -}. 



Type ( c^ ) in Brit. Mus. 



Three examples from Seychelles : Mahe (Cascade Estate) and Silhouette (Mare aux 

 Cochons, 1700 feet). 



A handsome and distinct little species in which the black costal triangle stands out 

 conspicuously as in Pla(. albida and its North American relatives. 



(7) Platyptilia braehymorpha, Meyr. 



Platyptilia brachyrmrpha, Meyr. Trans. Entom. Soc. 1888, p. 240; Fletcher, Spol. Zevlan. vi p 12 

 t. A. f. 3 (1909). 



Eight specimens from Aldabra. 



I>istribtUion.—Th.is is a widely-distributed species which has been recorded from South 

 Africa, Syria, India, Ceylon, and Hawaii. 



(8) Platyptilia dimorpha, sp. n. 



6 14-15, 2 17-18 mm.— Palpi short, porrect, filiform, third joint scarcely half length 

 of second ; fuscous-grey. Head and antennae greyish-fuscous. Thorax in i fuscous, in 



Fig. 4. — Platyptilia dimorpha. Side view of head. 



5 dark fuscous ; in both sexes the patagia are lighter and metatlioracic region pale 

 sulphur-yeUow. Abdomen long and slender (in 6 as long as fore wing, in 2 rather 

 shorter), pale yellowish basally, fuscous posteriorly; in 6 with fuscous-grey apical tuft. 

 Legs greyish lined with blackish-fuscous ; very long and slender ; posterior tibia as long 

 as abdomen, slightly dilated with minute blackish spines at f and apex and emitting two 

 pairs of long slender black-tipped spurs, of which the inner are slightly the longer. 

 Posterior tarsi very long ; first tarsal joint suffused with blackish-fuscous, longer than 

 joints 2-5 together. 



Pore wing cleft from about |, first segment parallel-sided, apex acute, termen oblique, 

 posterior angle rather rounded, distinct ; second segment posteriorly slightly dilated 

 fore angle acute and slightly produced, termen oblique, tornus rather rounded : in d 

 ochreous-whitish, in 2 dark fuscous slightly reddish tinged : in both sexes with markings 

 as follows : — a small longitudinal blackish subdorsal streak at \, a blackish discal dot at i. 



