370 



Mr. D. Sharp's Cuntrihutions to i/ie 



closely punctured, except on the elevation. Thorax rather 

 longer than broad, much narrower than the elytra, the 

 hasal ])()rti()n distinctly contracted, and the sides narrowed 

 towards the front; the siu-face closely and moderately 

 coarsely punctured, Avitli a small spot behind the middle 

 free from punctures. Elytra largely developed, much 

 longer and broader than the thorax, slightly dei)ressed 

 within the prominent shoulders, rounded and contracted 

 towards the extremity, densely and coarsely punctured. 

 Hind body broad at the base, and gradually narrowed 

 towards the extremity ; rather closely and moderately 

 coarsely punctured, with a fine, distinct, depressed pubes- 

 cence. Legs pitchy, the base of the tibia? yellow; tarsi 

 pitchy-yellow, slightly paler at the base. Genae rather 

 S])aringly punctured. 



The male has a very broad notch at the extremity of the 

 7th segment ; the 6th segment is flat along the middle, and 

 finely pubescent, scarcely emarginate at the hind margin. 



Ta})ajos ; a single male. 



23. Stenus collaris, n. sp. (Sect. II. B, Er.) Niger, 

 nitidus, glaber, antennarum basi, palpis pedibusque rufes- 

 centibus; fronte area media latit hevi ; prothorace medio 

 ampliato, fortiter sat crebre punctato, disco h\3vi ; elytris 

 fortiter sat crebre punctatis. Long. corp. fere 2 lin. 



Antennffi only moderately long, pitchy, with the two 

 basal joints yellow, and the following ones intermediate 

 in colour; 3rd joint a good deal longer than 4tli. Palpi 

 elongate, yellow, the last joint dusky yellow. Head broad, 

 but narrower than the elytra, only s])aringly punctured, a 

 broad space in the middle being quite smooth and even, 

 outside this the ])unctures are but S])aring ; the front is 

 not excavate, but there is an impression on each side of 

 the smooth central place ; the antennal tul)ercles are very 

 small. Thorax about as long as broad, much narroAvcr 

 than the elytra, a good deal broader in the middle than at 

 the front and base ; coarsely but rather sparingly pimc- 

 tured, the ])unctures most munerous near the fi'ont margin ; 

 a broad space on the middle impimctate. Elytra broad, 

 the shoulders ])rominent, rather longer than the thorax, 

 coarsely ])ut spai-ingly punctured. Hind body broad at 

 the base, but much narrowed towards the extremity ; seg- 

 ments 2- — 5 transversely depressed near the base in the 

 middle, and a little contracted at the sides; rather 



