LIST OF HOMOPTEROUS INSECTS. 121 
tinct testaceous marginal line, hardly convex along the costa, 
rounded at the tips and at the interior angle; exterior border 
straight, very slightly oblique ; interior border tubereulate; veins 
and transverse veinlets very numerous. Hind wings white. 
Length of the body 3 lines ; of the wings 9 lines. 
a. Adelaide. From Mr. Cuming’s collection. 
Genus CYARDA. 
Caput thorace paullo angustius; vertex transversus, subarcua- 
tus; frons levis, nitens, vix obliqua; facies lanceolata. Prothorax 
tvansversus, subarcuatus. Ale antice peranguste, basi sat late ; 
costa basi convexa, apicem versus peracutum recta; margo exterior 
brevissimus, perobliquus, subconcavus. 
Head a little narrower than the thorax. Vertex transverse, 
slightly arched. Front very slightly oblique, smooth, shining. 
Face lanceolate. Prothorax. transverse, slightly arched. Fore 
wings very narrow, except towards the base; veins moderately nu- 
merous, undulating towards the tip, where the wing is contracted ; 
transverse veinlets very few; costal veinlets numerous, moderately 
long; costa convex for half the length from the base, straight from 
thence to the tip, which is very acute ; exterior border very short 
and oblique, slightly concave ; interior angle oblique, distinct. 
CyarbDA DIFFORMIS. 
Mas. Testacea, cano tomentosa, sublus albida; vertex subcarina- 
tus ; frons subtransversa, non carinata, marginibus non elevatis ; 
prothorax non carinatus ; mesothorax carinis duabus indis- 
linetis; ale antice pallide virides, venis nigricantibus ; pos- 
tice subcineree. 
Male, Testaceous, with hoary tomentum, mostly whitish 
beneath. Vertex with a slight keel; front a little broader than 
long, not keeled, nor with elevated borders. Prothorax not keeled. 
lesothorax with a very slight keel on each side. Fore wings pale 
green; veins blackish. Hind wings grayish. Length of the body 
3 lines; of the wings 8 lines. 
4. St. Domingo. From Mr. Tweedie’s collection. 
