the British Species of Aleuonota, Atheta and Sipalia. 291 
— Fourth joint of antennae transverse. Small, dull, 
obscure species with foreparts thickly, finely, and 
roughly punctured. Elytra not sinuated. Length 
P2-lSmm. 7. : 35. 
35. Eleventh joint of siibeliahs ebbing hse hain tis it 
preceding together, puncturation less strong and close, 
thorax more transverse, elytra not much longer than 
the thorax. Length 1:2-1°3 mm. . . .128 sordidula, Er. 
— Eleventh joint of antennae pointed, not longer than 
the two preceding together, puncturation stronger and 
closer, thorax less transverse, elytra evidently longer 
than the thorax. 3, 8th dorsal plate with four in- 
distinct teeth at posterior margin. Length 1:3 mm. 
127 canescens, Shp. 
36. Sides of head behind eyes diverging uniformly backwards 
to posterior angles. Head triangular, broadest at the 
posterior angles... : 37. 
— Sides of head behind eyes net aiveecenle oighes Sidioealy 
rounded or temples more or less prominent . . . . 40. 
om Head not impressed) i-giin ah > is) eRe, 38. 
— Head impressed ing .. Herd 39. 
38. 8th dorsal plate of abdomen with diatintet éeintigreli 
notch posteriorly in both sexes; abdomen less densely 
punctured. Length 18-2 mm. . . . . 148 analis, Gr. 
— 8th dorsal plate of abdomen wthout emargination; 
abdomen more densely punctured. Length 1°7-2 mm. 
149 decipiens, Shp. 
39. g, 8th dorsal plate of abdomen with distinct triangular 
emargination posteriorly, 6th ventral plate produced 
and rounded at apex. Q, 8th dorsal plate distinctly 
emarginate. Length 1‘7-2 mm. . . 151 cavifrons, Shp.* 
— 6, 8th dorsal plate of abdomen with a deep notch pos- 
teriorly, commencing on either side near the lateral 
margins of the plate, its sides almost parallel and its 
summit gradually rounded. 6th ventral plate produced 
and rounded at apex. 9, 8th dorsal plate not or very 
slightly emarginate. Length 2-2°3 mm. . 150 soror, Kr. 
40. Puncturation of abdomen very coarse and close, species 
dull and somewhat depressed. Base of antennae 
reddish yellow, penultimate joints distinctly transverse. 41. 
— Abdomen with normal puncturation . . . . . . 42. 
* I have examined A. simillima, Shp., but am unable to see 
any specific distinction from this species. 
