S6 LIST OF HOMOPTEEOUS INSECTS. 



BiDIS PUNCTIFEONS. 



Bidis punctifrons, Walk. Journ. Linn, Soc. i. 150, 48. 

 a — c. Borneo. From Mr. Wallace's colleclion. 



Genus OSTAMA. 



OSTAMA JUNCTA. 



Ostama juncta, Walk. Journ. Linn. Soc. i. 151, 50. 

 a, b. Borneo. From Mr. Wallace's collection. 



Genus RHOTALA. 



Rhotala delineata. 

 Rhotala delineata, Walk. Journ. Linn. Soc. i. 152, 52. 

 a, b. Borneo. From Mr. Wallace's collection. 



Tribe ISSITES. 



Subtribe ISSOIDES. 



Genus ISSUS, Cat. Horn. p. 361. 



Mexico. 



Issus cassidotdes. 

 Sordide viridis, nigro autfusco varius ; vertex transnersus, depres- 

 sus ; frons subohliqua^ tricarinata, lateribus productis ; pro- 

 thorax antice subconicus ; mesothorax bicarinatus ; pedes 

 robusti ; ales anticce submetallicce, venis fulvis, costa basi sub- 

 gibbosa; posticcB cinerascentes. 



Dinary green, marked with black or brown, mostly black beneath. 

 Vertex depressed, nearly twice broader than long ; front depressed, 

 with three indistinct keels, slightly sloping forward, narrowest 

 towards the vertex, notched in the middle towards the face, beyond 

 which it is produced on each side. Prothorax more than twice 

 broader than long, very convex in front, extending partly over the 



