558 LIST OP HOMOPTEBOUS INSECTS. 



and behind, much narrower than the fure-chest; its breadth full 

 twice its lenpth : eyes prominent : fore-chest ridged, conical, very 

 high and with a very deep keel behind the shoulders, which are 

 rounded and rather prominent; keel with ferruginous marks ; fore- 

 chest a little longer than deep, extending far beyond the tip of the 

 abdomen, much compressed but not attenuated towards the tip : ab- 

 domen tawny, black beneath from the base along three-fourths of 

 the length with the exception of the hind borders of the segments : 

 legs testaceous, clothed with short white hairs ; hind-shanks beset 

 with minute black spines: wings very pale tawny; veins tawny. 

 Length of the body 3^ lines ; of the wings 7 lines. 

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



10. Thelia angulata, Fem. 



Testacea ; prothoracis humeri apice nigri ; carina apiccm versus 

 attenuata, nigra; pedes Jlavi; alee limpidm. 

 Testaceous : head transverse, almost triangular, a little nar- 

 rower than the lore-chest, finely striated along the hind border, hairy 

 in front ; its breadth much exceeding its length ; fore sides very 

 slightly convex, with pale yellow edges: fore-chest thickly punc- 

 tured, almost vertical for some height above the head, and forming 

 a transverse obtuse angle between the shoulders, which are slightly 

 prominent and have obtuse angles with black tips ; behind the 

 shoulders is an almost flat triangular compartment, and beyond this 

 a rather deep keel whose sides are slightly concave ; it extends a 

 little beyond the tip of the abdomen, is slightly concave beneath and 

 much attenuated towards the tip which is black and very acute : 

 legs yellow, clothed with short white hairs : wings colourless ; veins 

 yellow ; three discoidal areolets. Length of the body 3 lines ; of the 

 wings 7 lines, 

 o. Warm Springs, N. Carolina. Presented by E. Doubleday, Esq. 



11. Thelia substriata, Mas. 

 Testacea ; femora nigra vittata ; alie limjndtB. 

 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 which 

 is forked in front and extends along each side of the small and al- 

 most triangular face ; its breadth almost twice its length : eyes 

 prominent : fore-chest rising some height above the head, and then 



