192 . 
PATROBUS ALPINUS. 
Order Coleoptera. Fam. Carabidse Lat Leach . 
Type of f/ze Genus Carabus rufipes TbZ>. 
Patrobus Meg., Lat.,Dej. — Platysma Sturm,. — Carabus Fab., Payk., 
Panz. 
Antennce inserted before the eyes at the base of the mandibles, 
filiform, pubescent excepting the 1 st and 2 nd joints, 1 1 -jointed, 
basal joint the most robust, ovate, 2nd small, 3rd long, the re- 
mainder not longer than the 1 st, excepting the terminal joint 
which is as long as the 3rd and conical (fig. 6 ). 
Labrum transverse, sides rounded, narrowed anteriorly, the front 
straight and ciliated with a few bristles ( 1 ). 
Mandibles subtrigonate, slightly bent, not very acute, having 3 
irregular teeth on the internal side towards the base ( 2 ). 
Maxillce rather long and slender, slightly bent and acute at the 
apex, ciliated internally. Palpi ; internal rather longer than the 
maxillary lobe, biarticulate, the 2 nd joint curved : external not 
much longer than the labial, but more robust, 4-jointed, basal 
joint small, 2nd the longest and most robust, 3rd subclavate and 
short, 4th nearly as long as the 2nd fusiform (3). 
Mentum transverse, not deeply emarginate, the centre producing 
a notched lobe. Lip oblong, the sides producing small para - 
glossce, and the centre a bristle. Palpi attached to long distinct 
scapes, 3 -jointed, basal joint minute, 2nd not very long, 3rd the 
longest and most robust, fusiform (4). 
Head subtrigonate, narrowed suddenly at the base. Eyes prominent. 
Thorax subquadrate, sides convex, narrowed behind, the posterior 
angles acute. Scutellum triangular , not enveloped by the Elytra 
which are notched near the apex. Wings sometimes rudiments only. 
Tibiae spurred, anterior emarginate. Tarsi 5 -jointed, anterior, with 
the 2 first joints dilated in the males, especially the basal one (5, 
afore leg). 
Alpinus Nob. 
Male smooth, shining, castaneous. Head and thorax black with 
a chestnut tinge, the latter with the anterior margin punctured ; 
a channel down the middle, deepest at the base, and a large, 
deep, punctured fovea on each side at the base, extending to the 
posterior angles. Elytra with 9 rather faint and imperfectly 
punctured striae on each, the sutural one abbreviated 5 between 
the 3rd and 4th, are 3 equidistant impressed dots. 
Female larger, paler 5 the elytra ochraceous, inclining to ferru- 
ginous. 
Wings ample in both sexes. 
In the Author's Cabinet. 
