1869.] 



267 



COEIXA PERPLEXA, 11. Sp. 



Broad, ochreous with black markings ; pronotum^ clavus, and corium 

 finely rastrate ; pronotum with 7 — 9 very fine, irregular, confluent lines ; 

 clavus with oblique, irregular lines ; corium with short, twisted lines 

 interrupted on the inner posterior angle ; marginal channel livid 

 ochreous. 



<J . Head ochreous, brownish at the base of the crown, facial depression shallow, 

 flat, reaching to the angles of the eyes. 



Thorax — Pronotum wide, rounded behind, in front a very short keel, disc with 7 — 9 

 very fine, irregular black lines, confluent in places, the ochreous intervals rather 

 wider. Elytra — Clavus with oblique black lines ; those at the base narrow, 

 straight, with clear ochreous intervals, the remainder broader, irregular, undu- 

 lating, sometimes furcate outwardly j corium throughout with irregular, abbre- 

 viated, twisted, transverse, black lines, their outer ends more or less joined 

 together ; inwardly, on the inner posterior angle, the Hues are traversed by, 

 and joined to, a short, irregular, longitudinal black line, and there is a still 

 shorter one at the apex of the clavus ; marginal channel livid ochreous ; 

 membrane suture distinct, ochreous ; membrane covered with short, twisted, 

 hieroglyphic markings, the inner and posterior margins with short, straight, 

 close, parallel black lines. Sternum, scapulae, pleura;, and parapleurcB pale 

 ochreous. Legs pale ochreous ; palce, <? , narrow, roundly cultrate ; 2nd and 

 3rd pairs, tihics rather infuscated j 3rd pair, tarsi, cilia black. 



Abdomen black, posterior segments fusco-ochrcous in the middle. 



Length 2^—2^ lines. 



Allied to C. limifata, Fieb. 



Two specimens taken in a small stream at the road-side, near 

 Eothsay, Isle of Bute, in September, 1866 (Douglas). 



CoEiXA Fabeicii. 



CoEisA Fabeicii, Fieb., Spec. Coris., 33, 38, t. 2, fig. 16 (1851). Flor, 

 Ehyn. Liv., i, 796, 9 (1860). 



CoEiSA FABEiciijWalleng., Oefv., K. Yet. Akad., 149, 16 (1854). Fieb., 

 Europ. Hem. 98, 31 (1861). 



? CoEiSA ABDOMiNALis, Fieb., Syn. Coris., No 22 (1848). 



Brown-black. Fronotimj clavus, and corium rastrate. Pronotum, 

 with 7 yellow lines, marginal channel of the elytra black, tlie basal 

 inner half yellowish. 



Head yellowish, with the crown brown, or entirely brown j facial depression in the 

 <J extending a little beyond the lower angles of the eyes, flat, not hollowed 

 out, on the front margin carinate. 

 Thorax— Tronotum rounded behind, in front a small keel, disc with seven, mostly 

 straight, yellowish lines, sometimes interrupted or obscured. Ehjtra with a 



