StaphijUnidcc of the Amazon Valley. 183 



Head rather large, fully as broad as thorax or elytra, 

 obW-quadrate, the sides straight, the hind angles a Me 

 romKfed ; it is oi the upper side rather finely andjann| 7 

 punctured. Thorax as long as broad, "^^'^'o^^f ^ j^f "J^^^ 

 Ld rounded at the sides, the upper f^'^-^l^^^X^^;^ 

 pressed, finely and sparingly punctured, ^"/Wong space 

 on the disc impunctate. Elytra_ quite as ^^o^d as, and 

 longer than the thorax ; like it, and the liead of a 

 pitdiy colour, closely and finely punctured. Hmd ^ody 

 parallel, pitchy, with the extremity j^ellow, evenly, n^de 

 rately finely, and moderately closely punctured. Legs 



yellow 



Ega ; one specimen 



5. Holisus discedens, n. sp. Niger, nitidus, pedibus 

 piceis; capite thoraceque parce fortiter punctatis ; el>tiis 

 crebre subtiUterpunctatis; abdomine minus depresso, sat 

 crebre punctato. Long. corp. 2k Im. 



Palpi pitchy, 1st and 2nd joints of antennae pitchy 

 (the liestNvanting). Head black, qmte depressed, quite 

 i SA^ at the sides and vertex, the hind angles rounded; 

 it is^'ather broader than the thorax or elytra and bea^^s 

 coarse and distinct but not dense punc ures. ihoiax 

 short, about long as broad, rounded at the sides, and a 

 good deal narrowed behind; the front much rounded so 

 fhat the front angles are quite rounded with a series of 

 puictui^s on each side of the middle, leavmg between 

 them a broad, impunctate space, and outside these with 

 som^ punctures, ihich are most numerous behind the 

 SleTit is black and shining, and shows at the base^^m 

 the middle, a very short and fine channel. Scutellum 

 ratheT coaW Punctured, the punctures ^^^IZ^^ 

 towards the apex. Elytra much longer tjan the thorax 

 of a pitchy-black colour, rather finely and closely punc- 

 tured the punctures rather closer at the extremity than at 

 the base. Hind body elongate and narrow, less depre sed 

 than the front parts ; the dorsal plates are convex, so that 

 " subcylindiic, and the lateral -argms are exUWy 

 fine- it is a good deal narrowed towards the cxtiemit>, 

 and'also has the basal segment f S^^tly narro^ver dian he 

 following ones; it is quite black m colom, and i. rather 

 coarsely but not altogether densely punctured. The legs 



""'"ir'the'individual described, which I believe to be a 



