Staphi/linidce oj' the Amazon Valley. 135 



Irregulaiiy punctured, an ill-defined s[)ace in the middle 

 smooth, with a kind of triangular depression in front. 

 Thorax narrower than the elytra, tawny, shining, a line 

 in the middle smooth, the rest of the upper surface covered 

 Avith rather fine and not close punctures. It is a little 

 narrowed behind, but the sides ai'e scarcely sinuate behind 

 the middle. Scutellum moderately closely and finely 

 ])uiictured. Elytra tawny, a little paler than the thorax, 

 finely and not closely punctured. Hind body above with 

 segments 2—5 pitchy black, 6th and 7th yellow, hind 

 part of the styles on the 8th black; segments 2 — 6 finely 

 and not densely punctured, 7th very finely and sparingly 

 punctured at the base, more coarsely on the hind part. 

 Legs yellowish. 



In the male the front tarsi are broadly dilated; the 

 hind margin of the 6th segment of the hind body is 

 broadly and shallowly emarginate in the middle, and the 

 7th seo-ment has a triano-ular notch. 



St. Paulo; one $ individual. 



3. Philothalpus iticongruus, n. sp. Fulvus, nitidus, 

 capite brevi, nigro sub-asneo, oculis raagnis ; antennis, basi 

 excepto, fuscis; abdomine segmentis 2 — 4 sine lineis 

 curvatis impressis, segmentis 5 et 6 leviter infuscatis. 

 Long. corp. 4 lin. 



jNIas latet. 



Fern, tarsis anticis haud dilatatis. 



Antennse about as long as head and thorax, moderately 

 stout, a little thickened towards the extremity, four or five 

 basal joints dusky fulvous, the rest infuscated ; 3rd joint 

 rather longer than 2nd, 4th a little shorter than 2nd; from 

 this to the 10th each joint shorter and stouter than its 

 ])redecessor, 5tli longer than broad, 9th and 10th a little 

 transverse, 11th about twice as long as the 10th, pointed. 

 Mandibles short, palpi pitchy. Head about as broad 

 as the thorax, broad and short, shining and blackish 

 except behind the labrum, where it is reddish; it is covered 

 with large punctures, except in the middle, where it is 

 smooth; the eyes are large and prominent and extend 

 very nearly to the back of the head. The thorax is about 

 as long as broad, rather narrowed behind, the anterior 

 angles deflexed and a little roimded, the sides a little 

 sinuate behind the middle ; it is of a shining tawny colour, 

 the upper surface covered with numerous but not coarse 



