103 . 
HELOBIA GYLLENHALII. 
Order Coleoptera. Fam. Carabidae Lat., Leach . 
Type of the Genus Carabus brevicollis Fab . 
Helobia Leach's MSS. Nebria Lat. } Clairv., Gyll. Carabus Linn ., 
Fab., Marsh. 
Antennae inserted between the eyes and the base, of the man- 
dibles, pubescent excepting the 4 basal joints, 1 1 -jointed, 1 st 
joint robust oval, 2nd short, 4th not so long as the 3rd, re- 
mainder of equal length (fig. 6). 
Labrum transverse, narrowed anteriorly, emarginate, ciliated (1 ) . 
Mandibles rather small, curved, acute, with 1 or 2 small teeth 
near the base (2). 
Maxillae arched acute, ciliated internally. Palpi ; internal , com- 
posed of 2 clavate joints of equal length : — external , very long, 
4-jointed, 1st joint minute, 2nd long robust, clavate truncate, 
3rd shorter clavate with a few bristles, 4th nearly as long as the 
2nd and more robust, clavate truncate (3). 
Mentum transverse, side lobes acuminated internally, centre one 
acutely bifid. Palpi nearly as long as the maxillary, 3 -jointed, 
basal joint minute, 2nd long, clavate, pilose, 3rd long, clavate- 
truncate. Labium quadrate horny, with a spine in the centre (4 ) . 
Head trigonate. Thorax cordate truncate , posterior margin straight. 
Scutellum minute. Abdomen depressed. Wings 2. Legs long 
and, slender , formed for running , with trochanters at the base of ihe 
posterior. Anterior tibiae slightly emarginate. Tarsi 5 -jointed, an- 
terior slightly dilated in the males (5, afore leg). 
Gyllenhalii Schon. Syn. 1. 196. 163. Gyll. Ins. Suec. 2. 40. 3. 
Sturm's Deut. Faun. 5. 142. 3. 
Black. Palpi, mandibles and antennae slightly rufous at their ex- 
tremities. Tarsi rufous, with a black spot at the apex of the 4 
first joints. 
Var.b. Piceous black, shining. Antennae brownish, excepting the 
4 basal joints, which with the palpi and mouth are piceous, some- 
times inclining to ferruginous. Trochanters and legs ferrugi- 
nous, apex of the thighs and the tibiae generally fuscous, 4 basal 
joints of tarsi with a black spot above at their apex. Head 
smooth with several imperfect impressions, 2 between the eyes 
and 1 behind forming a triangle. Thorax smooth, margins 
coarsely punctured, especially at the base with a transverse 
curved impression before and another parallel to the posterior 
margin, a channel down the centre, deepest in the middle j sides 
margined, reflexed, especially at the posterior angles, which are 
acute. Elytra smooth, with 1 abbreviated and 8 long minutely 
punctured striae on each, with a fovea uniting the origins of the 
2nd and 3rd striae 5 3 or 4 fovea between the 3rd and 4th, and 
8 or 9 others upon the external stria. 
In the Cabinets of Mr. Dale and the Author. 
