StaphylinidcB of the Amazon Valley. 353 



thorace sat elongato, basin versus sat angustato, parce 

 punctato ; eljtris parce punctatis, apicem versus Ijevigatis. 

 Long. Corp. fere 3 lin. 



Antennae pale yellow, slender, rather long; 3rd joint 

 very elongate and slender, quite one and a half times the 

 length of the 2nd, 11th only slightly broader than 10th. 

 Palpi pale yellow, last joint moderately large (in the male). 

 Head large, broader than the thorax, about the width of 

 the elytra; the vertex emarginate and depressed in the 

 middle, the vertical line coarse but not much raised, de- 

 flexed in the middle and interrupted, at the sides remote 

 from the eyes ; the surface coarsely punctured, the punc- 

 tures moderately close on the fi-ont part, sparing towards 

 the vertex, in front of the vertical line a little coriaceous. 

 Thorax about as long as broad, the sides slightly rounded, 

 distinctly narrowed behind; the surface sparingly punc- 

 tured, the middle space broad and a little elevated behind. 

 Elytra at the sides one and a half times the length of the 

 thorax, even at the base spai-ingly and not closely punc- 

 tured, the apical portion impunctate. Hind body Avith 

 imbricate sculpture on the four basal segments. Legs 

 almost Avhite at the base ; the tibise and also the extremity 

 of the hind femora infuscate. 



External abdominal characters to distinguish the male 

 are almost absent; the dorsal plate of the 7th segment has 

 the hind margin very slightly rounded ; the ventral jjlate 

 is scarcely longer than the dorsal, and is truncate, with 

 the outer angles rounded. 



Tapajos ; a smgle male specimen. 



18. Palaminus stipes, n. sjJ. Xiger, antennis, palpis, 

 pedibusque pallide testaceis, tibiis infuscatis ; capite magno ; 

 thorace sat elongato, basin versus angustato, parce punc- 

 tato ; elytris fortiter minus crebre punctatis. Long. corp. 

 3 1 lin. 



This species greatly resembles P. fuscipes, but is rather 

 larger and much broader, and has the elytra more closely 

 punctured, especially at the extreme base ; in all other 

 respects the description above given of P. fuscipes Avill 

 apply to the P. stipes. 



The female has the extremity of the dorsal plate of the 

 7 th segment of the hind body truncate ; the ventral plate 



TRANS. ENT. SOC. 1876. — PART II. (jUNE.) A A 



