138 MANDIBULATA. — COLEOPTERA. 



Occasionally taken in the sandy heaths near Ripley, and not un- 

 commonly on the sand-hills near Swansea; also in Norfolk and 

 Devonshire. 



Genus LV. — Curtonotus* mihi. 



Palpi; external maxillary with the third joint clavate^ rather longer than the 

 last, wlaich is fusiform truncate ; labial with the third joint ntiuch longer than 

 the terminal, subclavate, the terminal subcylindric, truncate : labrum quadrate, 

 rounded, deeply emarginate anteriorly : mandibles short, obtuse, denticulated 

 at the base: maxillce obtuse: mentum moderately emarginate, the emar- 

 gination with a bifid lobe. Antenn<B short, the three first joints naked, the 

 fourth abruptly clavate, rather shorter than the third : head rather broad : 

 thorax subtransverse, much dilated at the sides, attenuated posteriorly : body 

 elongate, very convex : elytra emarginate at the tip : wings ample : anterior 

 tarsi of the males with three dilated joints: tibice much expanded at the tip, 

 very spinose, the second pair internally tuberculated in the males. 



Curtonotus does not differ from the two preceding genera in 

 mere outline only, its characters being otherwise sufficiently evi- 

 dent ; from Brady tus it is at once discriminated by the bifid lobe in 

 the notch of the mentum, and from Amara by the form and pro- 

 portion of the terminal joints of the palpi, exclusively of the spinose 

 and tubercled intermediate tibiae of the males, the subcylindric 

 convex body, and other distinguishing marks. In habit they ap- 

 proach towards the Zabri, being frequently observed upon plants 

 and shrubs ; unlike the Harpalidse in general. 



Sp. 1. convexiusculus. Plate VIII. f. 1. — Elongatus, piceo-niger, supra wneo- 

 micans, thorace postics depresso punctata utrinque bifoveolato. (Long. corp. 

 5— 51 lin.) 



Ca. convexiusculus. Marsham. — Ca. convexiusculus. Steph. Catal. p. 28. 

 JSFo. 244. 



Elongate, deep pitchy-black, above usually glossed with seneous: head smooth, 

 with two moderate impressions on the forehead, united by a transverse line : 

 thorax with the lateral margin much dUated anteriorly, and attenuated pos- 

 teriorly, the hinder angles acute ; the disc convex in front, transversely de- 

 pressed at the base, the depression distinctly punctate, and terminating on 

 either side in two deep ruggedly punctate fovese, the outer deepest, and bor- 

 dered externally with an elevated carina : elytra striated, the strise punctate 

 anteriorly, the sutural stria united to the usual abbreviated one at the base, 

 which in this and the following insect is considerably elongated ; the margin 

 with three or four impressions at the base, and several rather remote at the 



Ku^ms, convexus ; Nwto; , dorsum. 



