INSECTS. HEMIPTERA. 62. Cicada. 



577 



Acuminata. Thorax 3-horned, the middle one longer and compreffed. 

 Inhabits Penjyhania. 



Head green ifh : thorax greenifh, ftriate behind and as long as 

 the wings : wings whitifh tipt with brown. 



Trifida. Thorax 4-horned, hairy, lengthened and trifid behind, the 

 divifions fubulate* 



Inhabits Cayenne; fize of C. taurus. 



Head black with a white line down the middle ; thorax black 

 wish a white line down the middle and an interrupted lateral 

 one ; in the fore-part are 2 long curved horns and fhorter 

 erefl ones behind .• upper-wings white hyaline with a brown 

 band in the middle in which is a hyaline dot : abdomen fcarlet, 

 the tip black. 



Clavata. Thorax 4-horned, lengthened behind and trifid, the lateral 

 divifion with an ovate tubercle near the tip. 



Inhabits Cayenne ; fmall. 



Head black ; mouth yellowifh': thorax with 2 curved horns at the 

 end and 2 fhorter behind : wings white hyaline : abdomen pale, 

 darker at the tip : legs yellowifh. 



Binotata. Thorax nearly unarmed lengthened behind and fhorter than 

 the abdomen : upper-wings with a black fpot at the 

 bafe. 



Inhabits New Holland; fmall, teflaceous. 



Convoluta. Thorax unarmed, fmooth, greenifh edged with yellow, 

 longer than the abdomen behind. 

 Inhabits Brafil; mid die -fi zed. 



Head yellow .• thorax covering the wings and abdomen, green- 

 ifh,- the fore and lateral edge yellowifh, the tip' (harp black. 



utica. Thorax unarmed, ferruginous, carinate behind and as long 

 as the abdomen 

 Inhabits North America; fize of the former ones. 

 Body obtufe ferruginous : thorax with 3 obfolete cinereous li riesy 

 carinate : upper-wings dufky immaculate : legs ferruginous. 



ermis, Thorax unarmed, greenifh, behind fubulate and as long as 



the body. 

 Inhabits North America ; fize of C. bicornis. 

 Head deflected fulvous: lip pointed": thorax obtufe, carinate' 



and very fharp behind : wings white : abdomen fulvous. 



Vol.— II 4 I> 



Genifta* 



