LIST OF HOMOPTEROUS INSECTS. 669 



curved backward but not angular between the shoulders, which are 

 rounded and not prominent; behind the shoulders the keel com- 

 mences ; its sides are flat ; it extends to the tip of the abdomen, 

 and is slightly concave beneath and attenuated towards the tip which 

 is acute; a curved furrow on each side, its ends joining the border: 

 a broad black stripe on each thigh : wings colourless ; veins pale 

 yellow ; four or five discoidal areolets ; apical areolels numerous. 

 Length of the body 2 lines ; of the wings 6 lines. 

 a, b. St. John's Bluff, E. Florida. Presented by E. Doubleday, Esq. 



12. TlIELIA RUFIVITTA, MaS. 



Testacea ; prothoracis carina rufo biviUata ; ventris discus niyer ,■ 

 alie limpidm. 



Testaceous : head and fore-chest thickly punctured : head trans- 

 verse, nearly as broad as the fore-chest, with a slight rim, rather 

 convex behind, very convex in front, with an indistinct suture wliich 

 is forked in front and extends along each side of the small face; its 

 breadth almost twice its length : eyes prominent: fore-chest indis- 

 tinctly ridged, rising some height above the head and then curved 

 backward but not angular between the shoulders which are rounded 

 and not prominent ; behind the shoulders the keel commences ; its 

 sides ai-e flat ; it extends to the tip of the abdomen, has a red stripe 

 on each side couverging from the slioulder to the tip, is slightly con- 

 cave beneath and attenuated towards the tip which is acute ; curved 

 fuiTow on each side larger than that of T. substriata : disk of the 

 under side of the abdomen black: wings colourless; veins pale 

 yellow. Length of the body 2 lines ; of the wings 6 lines. 

 a. St. John's Blufi", E. Florida. Presented by E. Doubleday, Esq. 



13. Thelu i.utea, Mas et Fem. 



Inttea ; prothorax apice niger ; pecUts nigrum, ; femora supra nigra ; 

 alcE limpida ; alic anticee basi fulva. 



Luteous shining : head punctured, ti'ansverse, almost triangular, 

 nearly as broad as the fore-chest; hind liorder very slightly undu- 

 lating; fore sides pale yellow, very slightly convex ; a slight middle 

 furrow joins the suture on each side of the face whose hind angle 

 occupies half the length of the head, and is enclosed on each side: 

 eyes prominent : fore-chest convex, roughly punctured, forming a 

 keel beliind the shoulders, which are rounded and not prominent ; 

 keel very slightly concave on each side where there is a slight semi- 



