Y- 11X7 
183 . 
AGONUM AUSTRIACUM. 
Order Coleoptera. Fam. Carabidse Lai ., Leach , 
Type of the Genus Carabus marginatus Linn. 
Agonum Bonel., Leach , Sturm , Dej ., Lat.— Harpalus Lat., Gy 11 . — 
Carabus Linn., Fab., Marsh., Panz. 
Antennce inserted before the eyes at the base of the mandibles, 
rather long and filiform, pubescent, excepting the three 1st 
joints ; 11 -jointed, the 1st rather long and robust, 2nd small, 
the remainder of nearly equal length, the 4th being scarcely 
shorter than the 3rd ; the terminal joint attenuated (fig. 6). 
Labrum transverse quadrate, rather broadest at the base, 
scarcely emarginate at the anterior margin which produces a 
few bristles ( 1 ) . 
Mandibles bent acute, having a few small teeth on the internal 
margin close to the base (2). 
Maxillce bent, acute, ciliated with strong bristles on the internal 
margin. Palpi; internal biarticulate, basal joint clavate, ter- 
minal joint slightly bent and tapering to the extremities ; exter- 
nal long, 4-jointed, basal joint small, 2nd long robust, 3rd and 
4th shorter, of equal length, the former clavate truncate, the 
latter fusiform truncate (3). 
Mentum transverse short trilobed, the centre lobe triangular 
simple. 
Labium elongate-quadrate, lobed on each side, the centre di- 
lated at the extremity. Palpi arising from long scapes, 3-jointed, 
basal joint small, 2nd and 3rd of equal length, the former cla- 
vate, the latter fusiform truncate (4). 
Head somewhat oblong. Eyes small. Thorax flat , sides convex, pos- 
terior angles rounded. Scutellum triangular. Coleoptra oblong , 
depressed, emarginate at the apex, generally with punctures between 
the 3rd and 4th striae. Wings ample. Legs formed for running, 
posterior the longest. Tibiae, anterior emarginate. Tarsi 5- jointed , 
anterior pair with the 3 first joints dilated in the males. Claws 
simple (5, afore leg). 
Austriacum Fab. Syst. Eleut. t. 1. p. 198.72. 157. — nigricorne Panz. 
6, 4. — Oliv. pl. 12./. 143. — modestum Sturm. 
Smooth, shining. Antennae brown, 3 first joints shining black. 
Head green inclining to cupreous. Thorax cupreous with a 
green tinge, a channel down the centre and a shallow thickly 
punctured fovea on each side near the posterior angles. Elytra 
bright green sometimes inclining to yellow, with 9 punctured 
striae on each, that next the scutellum abbreviated, 4 minute 
foveae between the 3rd and 4th striae and a row of deep impres- 
sions upon the last. Legs black. 
In the Cabinet of the British Museum. 
As writers differ very much in their ideas respecting the affi- 
nities of our genus, we shall wait until we have gained a better 
