128 LIST OF HOMOPTEROUS INSECTS. 
PreRYGIA SUBSIMILIS. 
Nigra, albo tomentosa; prothorax tuberculatus, antice subcarinatus, 
cornubus duobus brevissimis ascendentibus subobliquis ferru- 
gineo notatis apice truncatis; carina postica basi et apud 
medium gibbosa ; tarsi testacet, apice nigri ; ale antice linea 
apud marginem interiorem fulva. 
Black. Head, fore part of the prothorax, two bands on the 
hind part, tibie, and some marks on the fore wings of white tomen- 
tum. Prothorax tuberculate, with a slight ridge in front, and with 
two very short ascending slightly diverging horns, which are trun- 
cate at their tips, and are partly ferruginous in front; a rounded 
hump on the prothorax just behind the lateral horns and another 
more hindward, a little larger than the first. Tarsi testaceous, 
with black tips. Fore wings with a tawny line along the interior 
border. Length of the body 2 lines; of the wings 4 lines. 
a, Constancia, Province of Rio. Presented by John Gray, Esq. 
Genus OXYRHACHIS, Cat. Hom. p. 503. 
OXYRHACHIS INDICANS. 
Fusca, subpubescens, scite punctata ; prothoraw subcarinatus, cor- 
nubus duobus protensis subobliquis subascendentibus supra 
subtuberculatis apice truncatis spinaque armatis, postice lan- 
ceolatus abdomine multo brevior; pedes fulvi; ale antice 
luride, apud costam fusce et punctate ; postice subcineree. 
Brown, slightly pubescent, very minutely punctured. Prothorax 
slightly keeled, armed with two advancing slightly ascending and 
diverging horns, which are minutely tuberculated above and trun- - 
cate at each tip, whose outer side is’‘prolonged into a much diverging 
spine; hind part lanceolate, extending to about half the length of 
the abdomen. Legs tawny. Fore wings lurid, brown and pune- 
tured along the costa. Hind wings grayish. Length of the body 
24 lines; of the wings 5} lines. 
a, Ceylon. From Mr, Purdie’s collection. 
