Staphylinidce of the Amazon Valley. 171 



the 7th yellow ; the basal segments are very sparingly 

 punctured; the 5th and 6th segments are more closely 

 punctured, and bear a coarse black pubescence. The legs 

 are yellow. The underside of the head is without punc- 

 tures. 



In the male the front femora are almost without spines ; 

 the ventral plate of the 7th segment has its hind part 

 slightly produced in the middle ; the produced part is 

 nearly entire, there being only an extremely slight emar- 

 gination of its hind margin. 



Anana ; a single male captured by Dr. Trail on the 

 6th September, 1874. 



9. Philonthus capitalis, n. sp. Capite thoraceque 

 feneis, nitidis ; elytris rufis, angulo apicali nigro ; abdomine 

 basi obscure rufo, apice testaceo, segmentis 4, 5, 6 nigris ; 

 antennarum basi et articulo ultimo, cum pedibus testaceis. 

 Long. Corp. Sg lin. 



Antennre nearly as long as head and thorax ; the three 

 basal joints as well as the 11th yellowish, the rest infus- 

 cated ; 2nd and 3rd joints about equal; 4 — 10 differing 

 but little from one another in length, each slightly stouter 

 than its predecessor, none of them transverse. Palpi and 

 mandibles yellowish. Head broader than the thorax, the 

 front distinctly produced between the insertion of the 

 antennae and with a deep longitudinal impression in front, 

 Avith two large punctures on each side between the eyes, 

 and with several other large punctures on each side at the 

 back ; it is of a shining-brassy colour. Thorax much nar- 

 rower than the elytra, rather longer than broad, distinctly 

 narrowed behind, the sides a little sinuate ; it is similar in 

 colour to the head, and has on each side the middle a 

 row of five punctures, and also on each side near the front 

 six or seven other punctures; all these punctures very 

 large. Scutellum nearly black, densely and finely punc- 

 tured. Elytra about as long as the thorax, reddish, 

 broadly black towards the extremity, finely and rather 

 closely punctured. The hind body is of a brownish colour 

 at the base, then with the 4th, 5th and 6th segments 

 black, the hind margin of the latter and the 7th yellow ; it 

 is on the upper side rather closely pvmctured, especially on 

 the 4th, 5th and 6th segments, Avhere also there is a coarse, 

 depressed, dense, black pubescence. The legs are yelloAvish, 

 with the anterior and middle cox^e infuscated. The 

 breast pitchy, the intermediate cox^ distant. 



