34 INSECTA SAUNDERSIANA. 



united towards the face ; sides hardly concave ; face like the front 

 in colour, reddish towards the proboscis. Thorax with a slight keel. 

 Prothorax with four black dots on each side. Mesothorax slightly streaked 

 with red, with a black middle stripe, and with three black marks on each 

 side. Abdomen black, green at the tip; under side testaceous, black 

 towards the tip. Fore wings black, with pale green veinlets, and with 

 some minute nearly vitreous marks ; the black extends a little beyond ihe 

 middle of the wing, has a concave outline, and beyond it the wings 

 are vitreous with black veins. Hind wings vitreous, black at the base and 

 along the interior border. Length of the body 4 lines; of the wings 11 

 lines. 



Valley of the Amazon. 



POIOCERA RUGIFRONS. 



Ferrnginea; vertex transversus, brevis, depressus, antice convexus ; frons 

 nigra, transversa, rugis duabiis transversis lanceolatis ; mesothorax 

 antice subconvexvs, unicarinatus ; mesothorax tricarinatus ; pedes 

 testacei, nigra conspersi ; alee anticce cinereo-vitrea, nigro varies, 

 vitta subcostali rufa, venis nigris ; posticce vitrece, fuscescente sub- 

 marginatce. 



Ferruginous. Vertex transverse, short, depressed, convex in front; 

 front black, transverse, with two transverse undulating wrinkles; face lan- 

 ceolate. Prothorax more than twice broader than long, slightly convex in 

 front, with a middle keel. Mesothorax with three keels. Legs testaceous, 

 thickly sprinkled with black. Fore wings grayish vitreous, varied with 

 black, with a red subcostal stripe; veins black, extremely numerous. 

 Hind wings vitreous, tinged with brown along the costa and about the 

 tips; veins black, very numerous. Length of the body 4 lines; of the 

 wings 12 lines. 



Para. 



Genus DIACIRA. 



Caput thorace angustius ; vertex parvus, subconcavus, postice exca- 

 vatus; frons fere plana, antice latior, margine antico concavo; facies 

 lanceolata. Prothorax transversus, antice convexus. Mesothorax depres- 

 sus, brevis. Abdomen thorace multo longius el latius. Pedes sat graciles, 



