178 M. Louis Peringuey on new genera and species of 



Synopsis of Species. 



Prothorax with a small discoidal impression on each side, and a 

 broader one in the median part of the base . . scf/iiift. 



Prothorax with small tubercles nisticus. 



Prothorax with a short median raised line only .... agre^tis. 

 Prothorax with two deep longitudinal lateral impressions, 



impressicoUis. 



A. seijnis, n. sp. 



Dark brown, with short and dense pubescence ; antenna; black ; 

 labrum and epistoma pubescent ; prothorax straight laterally, the 

 sides very slightly sinuate anteriorly, with the anterior angles 

 rounded, and bi-sinuate posteriorly, with the hind angles sharp, plane 

 on the disk, but slightly sloping near the anterior margin, roughly 

 and closely punctured, and having a median, ill-defined longitudinal 

 smooth line running from base to apex, and a median discoidal 

 impression on each side of the line, while the median part of the 

 base is broadly impressed : elytra truncate at base, sub-cylindrical, 

 slightly dehiscent behind, sharply carinate, the intervals narrow 

 and with a series of moderately broad but deep punctures ; under- 

 side thickly clothed with very short pubescence ; legs rugulose, 

 pubescent. Length 13, width 5 mm. 



Hab. Zambezia (Salisbury)^ Mozambique (Rikatla). 



A. riisticus, n. sp. 



Brown, with the antennre black, with very short pubescence; 

 head as in A. spgnia ; prothorax slightly sinuate at the sides behind 

 the median part, covered with closely-set, deep, moderately broad 

 punctures, broadly impressed longitudinally on each side of the 

 median part, the outer part of the impression bounded by a low, 

 well-defined ridge, with a short tubercle in the middle, central 

 part of the median impression also with a small rounded tubercle, 

 in a transverse line with the other two ; elytra sub-cylindrical, 

 carinse sharp, punctures of the intervals deep ; underside and legs 

 with short pubescence. Length 7h, width 3h mm. 



Hab. Zambezia (Salisbury). 



A. agrestis, n. sp. 



Brown, with moderately long pubescence on the uj^per part, 

 antennaj brown ; head as in the two preceding species ; prothorax 

 sinuate at the sides behind the median part, anterior part of the 



