368 Descriptive Catalogue [1898. 



Tribe TEECHINI. 



Gen. TKECHUS, 



Catal., p. 587. 

 Trechus gravis. 



Piceous-black, shining, and with a faint iridescence, the outer 

 margin of prothorax and elytra piceous-red ; antennae and legs dark 

 rufe scent ; head and prothorax smooth, the latter broadly cordiform, 

 the former very deeply and broadly grooved laterally ; elytra 

 elongate, oblong, but with the shoulders rounded, plane, deeply and 

 narrowly striate, and having on each side seven striae and a very 

 distinct supra-marginal one, the sixth and seventh striae coalesce 

 behind ; under side piceous. Length 10-10^ mm. ; width 3-J-- 3§ mm. 



Hab. Cape Colony (Uitenhage). 



This species is by far the largest of all the South African ones, and 

 is easily distinguished by its robust facies. The anterior tibiae are 

 diagonally truncate at the apex; it should follow T. rufipes, Catal., 

 p. 589. 



Trechus lzetulus. 



Eeddish brown, shining ; palpi, the two basal joints of antennae 

 and the legs navescent ; head smooth, deeply grooved laterally ; 

 prothorax cordiform, slightly broader than long, lateral basal im- 

 pression deep, one deep basal puncture on each side of the median 

 longitudinal groove ; elytra oblongo-ovate, slightly iridescent, de- 

 pressed, and having on each side five striae which do not reach the 

 apical part and become gradually shorter ; outwardly the fifth 

 stria is the shortest of all and not curved, but at the very apical part 

 of the elytron there is a slight indication of the prolongation of the 

 stria ; the third interval has two conspicuous punctures- — a sub-basal 

 and a median one ; the anterior tibiae are not truncate diagonally. 

 Length 3^- ; width 14 mm. 



Belongs to the same group as T. aterrimus, Catal., p. 588, 

 and should follow it. It is much more depressed, smaller, and 

 remarkably Tachys -like in shape. 



Hab. Cape Colony (Paarl). 



Trechus tabulae. 



Eeddish brown with the head and prothorax a little darker than 

 the elytra ; antennae, palpi, and legs navescent ; prothorax as broad as 



