276 (December, 



different. The mesostcrnal lamina is comparatively narrow, about three 

 times as long as broad, the advanced angle of the metasternal area 

 touches it, though seen in profile there is a minute lumen, or space, 

 above the point of contact. In the male the lateral lobes are not 

 dilated at the tip, the median lobe is blunt at the apex ; the encasement 

 is robust, and one of the lateral chitinisations is more sinuate than 

 the other. 



Hammersmith Marshes, Dec. 30th, 1862 ; New Forest, Aug. 10th, 

 1908; Lee, Kent, a long series {Champion)) marsh, near Greenford 

 {JE. A. Nexohery in coll. Walker)^ 



Cerycon luguhria^ var. intermixtuSj var. n. 



Ovalis, valde convexus, minus latus ; niger, palpis fusco-testaceis, antennis, 

 pedibus elytrorumque apice testaceis ; mescxsterni lamina angusta, coutigua ad 

 apicem metasterni. Long, capite extenso fere 2 mm. 



Extremely similar to t^^pical C. luguhris, but narrower, very convex, 

 head especial!}^ narrower ; the sternal structure almost the same. The 

 male characters are a little different, being more delicate in intermixtus, 

 the median lobe narrower and therefore more pointed, and the chitinisa- 

 tions, or sclerites, of the encasement very slender. 



Weybridge, June 30th, 1864, two specimens ; Turner's Wood, Harap- 

 stead, Jan. 24th, 1864, two specimens ; with luguhris in several localities. 



In Champion's collection there are two specimens of a doubtful 

 species very near the var. intermixtus, but even smaller and narrower, 

 one from Lee, the other from Walton- on -Thames. 



4. — Cerycon sfernalis, sp. n. 



Ovalis, convexus, niger ; palpis, antennarum basi, pedibus elytrorumque 

 apice sordide testaceis, elytris sericeo-.subopacis, striatis, striis ad apicem pro- 

 fundis ; mesosterni lamina sat protuberante, sat lata, apice ad metasterni apicera 

 coiitigiio. Long, capite extenso 2 mm. 



Very similar to the smallest specimens of C. minufus, easily dis- 

 tinguished by the striation of the apex of the elytra and by the sternal 

 structure. The front of the metasternal area is strongly elevated and 

 overlaps the tip of the mesosternal lamina, hence the lumen, or space, 

 above their conjunction is large. The mesosternal lamina is broad and, 

 like the metasternal area, strongly punctured. 



From G. luguhris and var. intermixtus this species is easily dis- 

 tinguished by the structure of the sterna, the mesosternal lamina being 

 markedly broader. 



