1878.] 161 



Tribe NOTONECTINA. 



52. Atiisojjs WaJceJieldi, n. sjj. 



Pale yellowish--white, shining ; scutellum black, margined with yellowish-white ; 



abdomen blackish, spotted above with yellow ; legs margined with fuscous ; hemi- 



elytra sub-vitreous. Frons slightly furrowed, scarcely produced ; anterior part of 



the pronotum slightly and very obtusely keeled ; breadth equal to the length of the 



pronotum and scutellum taken together ; front tibiae of the male broader at the apex ; 



front tarsi monomerous, twice tlie length of the claws. 



$ $ . Length, 9 mm. ; breadth, 2f mm. 



Messrs. Hutton and Wakefield. Sometimea- (but rarely) tbe 

 scutellum is entirely pale. 



53. A. assimilis, n. sp. 



Very like A. WaJceJieldi, but smaller ; scutellum not or only slightly mai'ked 

 with black ; back of the abdomen yellow, marked with black ; front tibiaj of the 

 male broader at the hase, front tarsi ybttr times as long as the claws. 



(J. Length, 6 — 7a mm. ; breadth, If — 2 mm. 



? . Length, 7^ — 8 mm. ; breadth, 2 mm. 



Professor Hutton. Female specimens apparently belonging to 

 this species are scarcely separable from A. WaJceJieldi, except by their 

 smaller size and paler scutellum. The labrum, however, seems to be 

 longer in assimiUs, reaching nearly to the middle of the third joint of 

 the rostrum, while in WaJceJieJdi it scarcely extends beyond the base. 



Tribe COEIXINA. 



54. Corixa (^Corixci) argiita, n. sp. 



Fuscous-black, shining ; pronotum obsoletely keeled, eub-rastrate, with about 

 ten yellow lines, which are here and there split and anastomose ; hemielytra scarcely 

 rastrate, sparingly clothed with pale adpressed hairs, and marked with irregular, 

 undulated, broken and angular yellow lines, those at the base of the clavus sub- 

 transverse and sub-entire, those of the corium crossed by four indistinct longitudinal 

 streaks of the ground colour ; lines at the margins of the hemielytra longitudinally 

 sub-confluent ; lines of the membrane transverse and sub-entire at the inner basal 

 angle, the others hieroglyphic-like ; membrane-suture narrowly marked with yellow 

 in the middle ; the pale embolium suddenly dilated about the middle ; back of the 

 abdomen fuscous ; vertex, clypeus, sternum and venter pale, the sternum sometimes 

 spotted with black ; legs pale, the joints somewhat fuscous-brown, hind tarsi with 

 fuscous hairs. 



^ . False cultrate, rounded on the back, a little produced at the base below ; 

 frontal fovea oval, passing a little beyond the lower angle of the eyes ; venter fuscous 

 in the middle ; strigil circular, furnibhed with eight more or less shortened rows 

 of teeth. 



$ . False narrowly cultrate. 



Messrs. Hutton and Wakefield (many specimens). Eather va- 

 riable in size, but constant in the markings. 



(To he continued). 



