30 Records of ihe Indian Museum. [Vol. XIV, 



arising from the base and extending beyond middle, visible only from 

 below. 



Length 2-25 mm. 



Type No. 714G/H. I. in the collection of the Zoological Survey of 

 India. 



Family CORIXIDAE. 



Corixa unicolor, sp. nov. 

 (Plate VIII, fig. 10 ; pi. IX, fig. 2.) 



Two specimens from He-Ho, ca. 3,800 ft., Yawnghwe State, 7 — 9-iii- 

 1917, in a large muddy pool without weeds. 



Moderately elongate, greatest breadth about half the length, pro- 

 notum without fasciae ; the hemelytra not mottled with piceous. 



Head smooth, ochraceous, with a brownish patch at base which is 

 emarginate anteriorly, basal margin darker, length equal to breadth 

 between eyes, a distinct tubercle at centre of basal margin, inner margins 

 of eyes discally subparallel, converging sHghtly on the facial area, eyes 

 greyish-black, large, subtriangular, extending posteriorly over the 

 lateral angles of the pronntum, a few punctures on disk of vertex. 



Pronotum pitchy black, its length in middle about half its breadth, 

 very minutely punctured, shining, subcordate ; lateral angles rounded 

 anteriorly, acutely pointed posteriorly ; anterior margin sinuate in the 

 centre, posterior margin rounded, a faint, short, medial carina on 

 disk. 



Elytra hght brown, densely punctured and covered with short stiff 

 hairs ; subcostal area opaque, dusky grey, hairy. 



Sternum pale ochraceous. 



Abdomen beneath yellowish. Legs testaceous. Clypeus trans- 

 versely striate and with a faint medial longitudinal carina. 



Palae large, with a fringe of long hairs externally and with a row of 

 fine, closely-set teeth on the underside. 



Length 6-5 — -7 niillim. 



Type No. 7143/H. I. in the collection of the Zoological Survey of 

 India. 



Corixa septemlineata, sp. nov. 



(Plate VIII, fig. 9 ; pi. IX, fig. 1.) 



One specimen from foot of Elephant Hill near Yawnghwe, 17-ii- 

 1917, preserved in alcohol. 



This species differs from all other allied species in the pronotum 

 having seven distinct, regular, pale ochraceous fasciae on the disk. The 

 lateral margins of the face are oblique. The pronotum is slightly 

 broader than its medial length. The species is a slender one more than 

 twice as long as its greatest breadth. 



Length 4-5 millim. 



Type No. 7099/H. I. in the collection of the Zoological Suryey of 

 India, 



