British Hemijotera-Heterojnera. 649 



14. Sahlbergi, Fiel). Fig. Spec. Coris. pi. il. fig. 3. 

 Very like the above, but at once distinguishable by the 



longer"^ thorax, by the greater number of pale lines (8—9) 

 on it, and the pale apex of the corium; it is also slightly 

 larger. 



Length 3f — 4 lines. 



Common in ponds, &c. 



15. striata, Fieb. Fig. Spec. Coris. pi. ii. fig. 4 (pala). 

 Differs from either of the above by its more shmmg and 



less rastrate surface. Thorax Avith 0—7 dark lines, about 

 equal in width to the intervening pale ones. Clavus irre- 

 gularly marked with pale transverse lines, the basal ones 

 widening inwardly. Corium with transverse, interrupted, 

 pale markings ; beneath, head and legs pale. 



Length 3^ lines. 



Common in ponds, &c. 



16. vernicosa,W^\\QV.g. = Dourilasi,T\&h. 



Very like striata, but has the thorax more deeply ras- 

 trate, and the ti-ansverse dark lines somewhat impressed ; 

 the pale basal markings of the clavus also are not widened 

 inwardly as in that species. 



Length 3^ lines. 



Fens. 



17. Fallenii, Fieb. Fig. Spec. Coris. pi. ii. fig. 12 



f palre ). 



Distinguishable from either of the preceding by the 

 greater number of transverse dark lines (8—9) on the 

 thorax, by its more distinct and regular markings, and by 

 the shape of the pala in the $, which are sub triangular; 

 lateral angles of the thorax acute. 



Length 3^ lines. 



Common in ditches, &c. 



18. distincta, Fieb. Fig. Spec. Coris. pi. ii. fig. 13 



(^ nalfe ). 



Exceedino-ly like Fallenii, but differing in the slightly 

 lono-er thorax, the rather wider, black, transverse lines across 

 it, 8ie obtuse lateral angles, and the short pal^ of the S, 

 which have the posterior margin regularly rounded. 



Length 3^ lines. 



Lewisham, Reigate, &c. 



TRANS. EXT. SOC. :870.— FART lY. (dEC.) U U 



