COR1XIDJ3. 603 



semicircular, convex, base very oblique, a little widened beneath ; ? 

 broad-cultrate, pointed ; 2nd pair, tibia and tarsi brownish, with a 

 darker spot at the end; 3rd pair, tibia brownish; tarsi, cilia black. 



Abdomen above black ; Connexivum pale yellowish, beneath dusky 

 yellowish ; in the $ the 1st 3 or 4 segments (rarely all), in the $ 

 the 1st 2, except on the posterior margin, black. 



Length, 2^- lines. 



Cambridge Fens (G. E. Crotch). 



Species 10. CORIXA WOLL ASTON i. 



Above red-brown, slightly shining. Pronotum somewhat prolonged, 

 with 9 10 transverse, curved, unequal, often shortened, dark- 

 brown lines. Elytra with pale-yellow transverse lines ; on the 

 basal i of the clavus straight, in the middle shortened inwardly ; 

 corium inwardly clear of markings, outwardly with slightly 

 undulating broken lines. Palce of the $ cultrate, broadest in 

 front, the end vertical. 



Head. Crown brown; Face; in the ^, the depression oval, 

 shallow, reaching broadly to about the middle of the eyes. 



Thorax. Pronotum somewhat prolonged, with 9 10 unequal, 

 curved, often shortened, dark-brown lines ; side margins brown. 

 Elytra witn pale-yellow transverse lines ; on the basal % of the 

 Clavus distant, straight, or some furcate at the inner end ; on the 

 middle interrupted; towards the lower end more regular; on the 

 Corium at the base somewhat parallel, unequal, occasionally slightly 

 undulating, on the outer \ short ; on the marginal nerve pale spots 

 and short streaks ; the inner \ free from markings, except that on 

 the inner margin, as far as the end of the clavus, is a row of short 

 pale streaks ; anterior marginal channel dull, light brown, spotless, 

 its inner margin with a brown line ; line of the membrane-suture 

 pale, next the corium sharply denned, next the membrane undefined. 

 Sternum pale ; xyphus long-triangular, slightly obtuse, margins re- 

 flexed. Legs ; 1st pair, pala cultrate in the ^ , widest in front, the 

 end, from the upper margin to the apex, rounded, almost vertical ; in 

 the ? convex above, concave beneath, gradually and regularly narrower 

 to the apex ; 2nd and 3rd pairs fuscous brown ; thighs paler towards 

 the base ; 3rd pair, tibia, last 3rd, on the outer edge a narrow, on 



