598 CORIXINA. 



terior marginal channel dull yellowish-white, with a longish black 

 spot posteriorly, not extending to the apex ; inner posterior angle 

 black, the colour extending ^-rd. along tlie membrane-suture, the rest 

 of which is narrowly pale yellow, followed by a black line ; 2Iemhrane 

 with yellow markings similar to those on the clavus and corium ; 

 margins brown, pale ou the edge. Sternum black, side lobes pale 

 yellow ; Prosternum ; lobes with parallel sides ; Metasternum ; 

 xyphus short, equilaterally triangular, depressed, black. Legs pale 

 yellow, except the coxae which are black, yellowish at the ends : 1st 

 pair, tMglis with a callosity in the middle ; ^;«7^ ; in the ^ long- 

 semicordate, suddenly and greatly convex from the base on the 

 upper side for about ird the length, then going straight to the 

 obtuse apex ; underside straight ; in the $ cultrate, not widened at 

 the base, slightly curved on the upper side to the apex ; 2ud pair, 

 tilicB brownish at the end ; tarsi distinctly black at the end ; 3rd 

 pair darker yellow ; tibice brown on the inner edges ; tarsi ; 1st 

 joint in the middle, 2nd entirely, black. 



Abdomen; in the ^, above and beneath black, sides narrowly 

 dusky yellowish ; Genital segments brown posteriorly ; in the $ 

 above black, sides and Conneccivum whitish-yellow; beneath whitish- 

 yellow, the 1st 2 or 3 segments black in the middle; Genital seg- 

 ments blackish. 



" By the ^;rtZ(^ allied to C. Ilayri, Tieb., by the marking of the 

 corium to G. Fieheri, Walleng., but the latter has the line of the 

 membrane-suture broad and clear, different palte, yellow xyphus, 

 &c." {Fieler in litt.). 



Length, 2|— 2f lines. 



Not scarce in brackish water in ditches at Gravesend in April and 

 May. 



Species 0. — Corixa iiierogliphica. 



CoRixA iiiErvOGLYrHiCA, L. Bnf. Recli. SG, 2, figs. 85— S7 (1833). 



— — Bum. ILindb. ii, 188, 3, exel. syn. (1835). 



COKISA — Fieh. Syn. Coris. No. 8 (1848) ; Spec. Coris. 29, 



19, 1. 1, fig. 20, pala; (IS51) ; Europ. Hem. 93, 



13 (18G1J. 



Above yellowish-gray, with fine, blaclc, transverse markings, shining. 

 Fronotiim ^Yith 7 — 9 fine black lines, Clavus and eoriiim with 



