POGONUS BURRELLII. 
Order Coleoptera. Pam. Carabid ddLat., Leach. 
Type of the Genus Carabus chalceus Marsh. 
Pogonus Ziegler. Raptor Megerle. Carabus Marsham. 
Antenna nearly cylindric, pilose, 11 -jointed, the joints gradually 
increasing in circumference, and decreasing in length from the 
third to the terminal joint, which is longer than the penultimate 
and oblong-conic ; first joint large, second small, third as long as 
the first, (f. 6.) 
Labrum transverse, sides convex, basal and anterior margins 
slightly emarginate. (1.) 
Mandibles somewhat curved, slender, acute, with a small tooth 
near the base on the internal edge, sometimes with a larger tooth 
in the centre. (2.) 
Maxilla curved, slender, acute, with strong bristles on the inter- 
nal edge : Palpi internal, very slender, 3-jointed, first joint minute, 
second clavate, third attenuated external : 4-jointecl, first joint 
short, the remainder longer, of nearly equal length, second cylin- 
dric, third clavate, fourth ovate, truncate. (3.) 
Mentum transverse, nearly straight at its base, sides very convex 
being narrowed behind, deeply emarginate in front with a small 
bifid tooth in the centre : Labium exserted, coriaceous in the cen- 
tre, lateral processes membranaceous : Palpi 3-jointed, first joint 
small, trigonate, second long, clavate, third somewhat ventricose, 
terminated (apparently) by a gland. (4.) 
Plead narrower than the thorax , trigonate. Thorax narrower than the 
abdomen , nearly quadrate , with an impression near the posterior angle . 
Elytra nearly thrice the length of the thorax. Scutellum minute. 
Wings 2. Legs formed for running , slender. Anterior tibiae notched 
internally , spined at their extremities. Anterior tarsi in the male 
dilated , especially the basal joint (5 afore leg). 
The dissections are all made from P. Burrellii. 
Burrellii Haworth's MSS. 
Head and thorax smooth, cupreous, reflecting deep green, espe- 
cially round the margins, the head with a longitudinal groove on 
each side between the eyes, the thorax margined on the sides, 
narrowed behind, with the anterior angles rounded, the posterior 
more acute, a channel down the centre, with an impressed line 
forming a triangle with the anterior margin, punctured posteriorly, 
with an impressed line parallel to the base, and a large foveola 
near the posterior angles. Elytra with a narrow margin, smooth, 
pale ochraceous, somewhat variegated with fuscous, sometimes 
having a rosy tinge, an abbreviated stria next the scutellum, and 
eight punctured longitudinal striae, some of which are united near 
the apex. Wings white, semi-transparent. Scutellum, legs, 
antennae and palpi more or less dull ferruginous. Beneath black 
tinged with green and purple. 
In the Cabinets of Mr. Burrell and the Author . 
