Mr. W. F. Kirby—WNotes on Blattide. 279 | 
is a long, narrow, triangular, yellowish space; apex and the 
whole of the wings below the foldsubhyaline. Under surface 
of body reddish brown, shading into black towards the extre- 
mity of the abdomen ; pleura and front coxe slightly pruinose- 
grey ; legs blackish above, reddish brown below. 
flab. Singapore. 
One of the largest species of the Epilamprine, and not 
closely allied to any other. I am glad to have the oppor- 
tunity of naming this conspicuous insect after Mr. H. N. 
Ridley, to whom the Museum is indebted for so many 
valuable specimens. 
Genus HEDAIA, Sauss. 
Hedaia abdominalis, sp. n. 
Long. corp. 15 millim.; exp. al. 65 millim. 
Female.—Head free, liver-coloured above the antennz, with 
very large pale yellow ocelliform spots; mostly pale yellow 
below the antenne. Pronotum rather small, moderately 
produced behind; pale yellow, darker in the middle, very 
thickly speckled with brown, and with a few larger and more 
distinct black dots, especially along the front border. Abdo- 
men yellowish tawny. Under surface with a rather broad 
black median stripe. 'Tegmina rather long and narrow, with 
the apex rounded off, brown, speckled with yellow, and with 
several larger yellow (sometimes whitish) spots. Wings 
brown along the costal area, brownish hyaline below. 
_ Hab. Tonkin. 
Allied to H. olivacea, Sauss., from Cochin China, but 
differs in the colour of the abdomen &c. 
Hedaia immaculata, sp. n. 
Long. corp. 35 millim. ; exp. al. 74 millim. 
Female.—Head free, black, ocellar spots large, pale yellow, 
and mouth-parts below the clypeus yellowish at the sides, 
darker in the middle. Pronotum black, finely transversely 
striated, the sides towards the borders slightly subhyaline 
reddish in front; two slight impressions near the middle. 
Tegmina rather long and narrow, brown, rather paler towards 
the extremities, where they are obtusely rounded off. Wings 
as in H. abdominalis. Abdomen and underside yellowish 
tawny ; legs blackish above. 
Hab. Tonkin, Matton Mountains, April or May (H. Fruh- 
storfer). 
Allied to 1. olivacea and H. abdominalis. 
