110 Descriptive, Catalogue [1897. 



coxae hardly approximate ; legs somewhat elongate, tarsi elongate, 

 second and third joints subequal, two equal claws. 



This genus is purely South African, and includes some of the large 

 species of Pselaphidce. It can be divided into two groups, containing 

 each two species, and in each one of these two groups the maxillary 

 palpi are exactly similar. 



First Group. 

 Third and fourth joints of the maxillary palpi obtusely 

 produced outwardly ; seventh joint of antennse very large, 

 ninth and tenth much smaller and equal peringueyi, diversus. 



Second Group. 

 Third and fourth joints of the maxillary palpi narrowly 

 and sharply produced outwardly in the shape of an 

 appendage, seventh joint of the antennse much smaller 

 than the others, while the ninth is larger than the 

 seventh and tenth lieterocems, antennatus 



In general appearance these insects are very closely allied to each 

 other, and the maxillary palpi being identical in the same group, it is 

 rather difficult to distinguish the female of different species, while 

 the difference in the shape of the antennae makes the identification 

 of the male comparatively easy. 



PSELAPHOCEKUS PERINGUEYI, Eaffr., 



Plate XVII. , fig. 10. 

 Eev. Entom., 1887, p. 29, pi. xvii., figs. 10 & 11. 



Stout, attenuate in the anterior part, rufous, elytra lighter in the 

 disk, shining, smooth, hirsute, the hairs brown and long, palpi 

 testaceous ; head subquadrato-elongate, plane, with two minute 

 foveas placed behind the eyes, middle of frontal part slightly im- 

 pressed ; antennae robust, thick, first joint elongate, cylindrical, 

 second nearly quadrate, third to fifth longer and slightly increasing 

 in length, sixth quadrate, slightly transverse, the others different 

 in each sex ; prothorax larger than the head, irregularly ovate, 

 somewhat abruptly attenuate in front, slightly dilated before the 

 median part, and having laterally, a little past the median part, 

 a transverse fovea filled with whitish glandulose hairs ; elytra 

 very much attenuate at base, shoulders well defined and oblique, 

 base with two foveas, filled at bottom with whitish glandulose squamae, 

 dorsal sulcus slightly oblique, short ; abdomen of nearly the same 

 size as the elytra ; metasternum little impressed ; trochanters and 

 anterior femora strongly but obtusely tuberculate. 



Male : Narrower behind ; seventh joint of antennas large, pro- 



