Species of Eugaster from East Africa. 123 



gular longitudinal elevations on each side of the median line ; 

 front edge with a row of 4 black spines, placed at about 

 equal distances apart ; between these are two shorter ones 

 between the middle ones in the males only, and another be- 

 tween the two outer ones on the right-hand side only in both 

 sexes. The outer spines are at the front angles of the front 

 lobe of the pronotum, and behind and above them are much 

 larger spines at the hinder angles of front lobe. There is also a 

 strong black spine on each side of the middle lobe of the pro- 

 notum. The hinder ridge of the pronotum bears a row of 6 or 

 7 black spines on each side, increasing in size towards the front. 

 Legs brown, the coxa? and tarsi slightly varied with testa- 

 ceous or reddish ; front coxae spined ; all the tibia3 with a 

 double row of short partly testaceous spines, least numerous 

 on the middle tibia?. Abdomen brown, dotted with testa- 

 ceous, and inclining to testaceous towards the ends of the 

 segments ; the base, sides, and under surface more or less 

 testaceous, especially in the males, and dotted with black. 



Bab. Suakim. Presented by Dr. John Anderson. 



Described from four specimens, two of each sex. 



Allied to E. spinulosus, Linn., and E. Woodu, Kirb., but 

 differs from both in the almost uniformly dark legs, and in 

 markings &c. 



Eugaster frater. 



Long. corp. 33-35 millim. 



Male. — Closely allied to the last species, but the head and 

 pronotum are more uniformly dark. The front is less con- 

 vex, the antennae are testaceous, and the face and palpi are 

 much varied with reddish. The coxse and legs are testa- 

 ceous, longitudinally striped with brown; and in the lightest 

 specimen the hinder halt of the pronotum and the base of the 

 abdomen beneath incline towards testaceous, but there are no 

 testaceous markings on the sides of the abdomen. On the 

 front of the pronotum there are two spines at the angles, and 

 two central spines, widely separated, but no intermediate 

 ones ; the middle lobe of the pronotum has a large spine on 

 each side, and between them are two slight humps, behind 

 which are two more elevations, forming short upright spines. 

 The row of 14 large spines running round the hinder edge of 

 the pronotum is regularly arranged and more or less testa- 

 ceous. 



Bab. Mombasa. Presented by D. J. Wilson, Esq., of the 

 British East Africa Company. 



Two male specimens. 



The specimens appear to be slightly discoloured ; but 1 



