HEMIPTERA— HETEEOPTERA. 131 



nearly half its lengtli beyond apex of head ; relative lengths of antennal segments 

 15 : 29 : 23 : 29 ; eyes moderately large and prominent, width of vertex between 

 their inner margins exactly one-half the total width of head across eyes (13 : 26) ; 

 ocelli three times as far from one another as from the eyes (9:3). Anterior lobe 

 of pronotum about two-thirds as long in middle as wide at its posterior margin 



Text-fig. 18.— Dorsal view (legs omitted) of : a, Orthaea ventralis, sp. n. ; 

 h, Orthaea pvberida, sp. n. 



(17 : 26), and about three-fourths as wide at its anterior margin as at its posterior 

 margin (20 : 26) ; sides convex, widest part a little below the middle ; posterior 

 lobe of pronotum very obscurely and sparsely punctate not quite three times 

 as wide across humeral angles as long in the middle (41 : 14) ; posterior margin 

 broadly emarginate, humeral angles rounded but distinctly projecting beyond 

 costal margins of hemielytra. Scutellum about four-fifths as wide at base as 



