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462 . 
FALAGRIA THORACICA. 
Order Coleoptera. Fam. Staphylinidae. 
Type of the Gems, Staphylinus sulcatus Oliv. 
Falagria Leach, Manner., Curt. — Aleochara Grav ., Gyl. — Staphy- 
linus Oliv. 
Antennae inserted before the eyes, rather remote, long, clavate, 
pubescent and 11 -jointed, basal joint stout and ovate, 2nd the 
longest, clavate, 3rd nearly as long as the 1st clavate- truncate, 
the following somewhat turbinate, increasing in diameter to the 
apical joint, which is ovate-conic and stouter than the 1st (6). 
Labrum transverse, the sides rounded and producing a few 
bristles, anterior margin nearly straight, a small portion of the 
middle transparent and ciliated (1). 
Mandibles similar, subtrigonate, curved and acute at the apex, 
the internal margin very thin towards the base (2). 
Maxillae formed of two lobes, one terminated by a rigid and 
pubescent process, the other broad flat and rounded. Palpi 4- 
jointed, basal joint small, 2nd and 3rd pilose, the former long 
and clavate, the latter the longest and stoutest, narrowed at the 
base, 4th shorter than the 2nd and slender (3). 
Mentum rather large trigonate, truncated before. Lip very 
short. Palpi remote and small, attached to stout scapes at the 
external angles of the lip, pilose, triarticulate, basal joint ob- 
ovate, 2nd twice as long, slender and clavate, 3rd a short bristle 
( 4 ). 
Head suborbicular : eyes small and lateral. Thorax scarcely larger 
than the head, somewhat obovate : scutellum minute. Elytra sub- 
quadrate, considerably broader than the thorax, the base not plicated, 
the angles acuminated. Wings ample. Abdomen half the length 
of the insect, narrower than the elytra, slightly dilated before the 
apex, the sides elevated. Legs simple, compressed : tibiae slender : 
tarsi 4 ? -jointed, basal joint long in the posterior pair, 2nd and 3rd 
minute, 4th long, clavate : claws slender and curved (5, a fore leg). 
Thoracica Kirby's MSS. — Curt. Guide, Gen. 230. 
Black, glossy, clothed with very short pubescence and minutely 
punctured ; head very smooth and shining, with a short channel 
on the crown : palpi and base of antennae ochreous : thorax 
rufous, with a deep channel down the back, terminating in a 
fovea at the base : elytra thickly and minutely punctured, in- 
clining to castaneous, the hinder margin pale : abdomen rather 
pilose towards the apex, the edges and sides of the segments 
sometimes castaneous, especially towards the base. Legs dark 
ochreous. 
In the Author s and other Cabinets. 
The Falagriae are more allied to the Aleocharse and less to the 
Pselaphidae than might be supposed from their habit and con- 
tour : they are distinguished from Autalia, to which they are 
