72 Mr. W. L. Distant on 



does not in any way affect the coloration of tlie wings and 

 can scarcely be compared to the patches on the lolaus group. 

 E. mirabilis seems to open up the question very forcibly as to 

 whether distinctive genera can be made on the absence or 

 presence of these " sexual marks." It appears to agree in 

 venation exactly with Epamera. 



X. — On some undescrihed Rhynchota, 

 By W. L. Distant. 



Fam. PentatomidaB. 



A CANTROSOMATiyjl. 



Sastragala smaragdina, sp. n. 



Very pale greenish ; central lobe and margins of head, the 

 transverse foveje near anterior margin of pronotum, coriuni, 

 legs abovCj and abdominal margins more olivaceous green ; 

 lateral angles of the pronotum spinously produced, black, and 

 from a line drawn between them to base the surface is thickly 

 coarsely punctate, the punctures castaneous ; scutellum with 

 a large discal, levigate, ochraceous spot, remaining surface 

 coarsely darkly punctate, apex levigate ; corium with a black 

 spot at inner angle and a lunate black fascia near outer apical 

 margin ; connexivum pale greenish, with the extreme apices 

 of the segmental spines black; posterior margin of sixth 

 segment black. 



Closely allied in structure and markings to S. heterosjnla, 

 Walk., but with the lateral pronotal spines much more slender 

 and acute ; abdominal spine also much more acute and with 

 its apex more removed from the sternal surface. 



Long. 11 ; exp. pronot. angl. 8 millim. 



Hah, Ceylon : Kandy {E. E. Greeyi). 



Fam. Lygaeidae. 



Aphakin^. 



Altomarus, gen. nov. 



Elongate ; head long, anteocular portion about as long as 

 postocular portion, angularly produced in front of eyes; first 

 joint of antennas about reaching the apex of head; rostrum long, 

 about reaching the intermediate cox£e, first joint much shorter 

 than head, just passing the region of the eyes; pronotum with 



