Throscus. | SERRICORNIA. 75 
than long, distinctly narrowed in front, with a double punctuation, 
consisting of rather diffuse larger punctures and very fine smaller punc- 
tures ; this latter character is only visible under a strong magnifying 
power; the base is sinuate, and the posterior angles are strongly pro- 
jecting; elytra moderately convex, gradually narrowed behind, obtusely 
rounded at apex, with fine punctured striz, and with the interstices 
very finely rugose and, besides, finely punctured; legs ferruginous. L. 
23-3 mm. 
Male with the club of the antenne larger, longer than the funiculus; 
female with the club smaller, shorter than the funiculus. 
By sweeping herbage; occasionally found on palings, in sandpits, &e.; local; 
generally distributed and common in the London district; Hastings; Portsmouth 
district ; New Forest ; Glanvilles Wootton ; Snowdon; Hertford ; Knowle; Bewdley ; 
Cannock Chase; Bramhall, Cheshire; Barton Moss ; Scarborough; Scotland, very 
local, Solway, Clyde, and Forth districts; Ireland, near Belfast : it is probable that 
it is often passed over by ordinary collectors, as it gathers up its legs and looks much 
like a seed in the net. 
T. carinifrons, Bonv. (elateroides, Redt., nee Heer.). This species 
so closely resembles the preceding that it was for many years mixed 
with it in some collections ; it may, however, be distinguished by the 
following characters:—The forehead has the two frontal carine more 
distinct, and the eyes are divided by a narrow horny plate considerably 
beyond the middle; the thorax, in the male at least, is flatter, and 
much more contracted in front, and the elytra are more acuminate, with 
the striz more delicately impressed, and the punctures on the interstices 
more distinct, the surface being less coarsely rugose. L. 21-3 mm, 
By sweeping in woods; occasionally on palings; rare, but probably overlooked ; 
Chislehurst (Matthews) ; Sheppey (Champion and Walker); Tonbridge (Wollaston, 
and recently taken in numbers at the same place by A. C. Horner); Shirley, Esher, 
Tilgate, Forest Hill; New Forest ; Southampton (Walker) ; Glanvilles Wootton ; 
according to Redtenbacher it is very common at Vienna on Parietaria officinalis. 
T. elateroides, Heer., nec Redt. (gracilis, Woll.). This species 
in general shape and structure is closely allied to T. carinifrons, from 
which, however, it may at once be known by its very much smaller size, 
as well as by the more finely sculptured elytra, of which the interstices 
are more thickly punctured ; from 7’. dermestoides it may further be 
known by having the eyes more divided, and the frontal caring more 
distinct and extended further to base of head ; in size it resembles 7, 
obtusus, but is more elongate, with longer antenne, and may be known 
by the presence of the frontal carine. L. 2 mm. 
At roots of grass, and in moss, flood refuse, &c.; often in salt marshes; usually 
found in early spring; rare; Chatham (Brewer); Sheerness (Walker) ; Cowley 
(Power) ; according to Redtenbacher it is found on Purietaria officinalis, 
T. obtusus, Curt. (pusillus, Heer.). The smallest of our species ; 
allied to the preceding, but shorter, with the elytra shorter and less 
