122 LIST OF HOMOPTEROUS INSECTS, 
Genus BUCA. 
Caput thorace multo angustius; vertex conicus; frons elon- 
gata, faciem versus Jatescens; facies lanceolata. Prothorax trans- 
versus, parvus, antice conicus, carinis tribus distinctis. Mesothorax 
non carinatus. Ale vitree; antice angulis nullis, venis paucis 
arcuatis, venulis sex transversis. , 
Head much narrower than the thorax. Vertex conical. Front 
much longer than broad, slightly widening towards the face, which _ 
is lanceolate. Prothorax transverse, small, conical in front, with 
three distinct keels, the lateral pair oblique. Mesothorax not 
keeled. Wings vitreous. Fore wings with the angles quite 
rounded; veins few and curved; about six transverse veinlets. 
This genus has some resemblance to Dictyophora. 
Buca sImMPLEx. 
Fem. Viridis, ea parte testacea ; vertex carinatus, marginibus 
elevatis, nigro biguttatus ; frons subcarinata, marginibus ele- 
vatis ; ale vitree, venis fulvis ; antice venis quinque, duabus 
integris, tribus furcatis, costa subconvewa, margine exteriore 
convexo. 
Female. Green, partly testaceous. Vertex with elevated bor- 
ders, with a black dot on the keel, and with another on the 
fore border; front with a slight keel and with elevated borders. 
Wings vitreous; veins tawny. Fore wings with five longitudinal 
veins; two of them simple; three divided, and two subdivided; 
border slightly convex along the césta, convex exteriorly, and from 
thence to the interior border; the angles quite obsolete. Length of 
the body 24 lines; of the wings 7 lines. 
a. Villa Nova. From Mr. Bates’ collection. 
Genus EUPILIS. 
Eupilis, Walk, Journ. Linn, Soc. i. 93. 
EvuPixis ALBILINEOLA. 
Eupilis albilineola, Walk, Journ. Linn. Soc. i. 93, 43; 162, 110. 
a. Sarawak, Borneo. From Mr, Wallace’s collection, 
