530 Descriptive Catalogue [1896. 



more quadrate, the third longer than broad, and the fourth triangular 

 in both sexes ; prothorax much dilated towards the base, with the 

 outer sides very slightly marginate and without any seta in the 

 posterior angle ; elytra fitting against the prothorax, and hardly 

 broader at the base, ovate or elongato-ovate, not much convex, more 

 or less regularly striate, and generally with two punctures on the 

 third interval, a median and a supra-postical one ; wings under the 

 elytra. 



Representatives of this genus are found in all parts of the world. 



Synopsis of Species. 



Prosternum produced in a short, aculeate process. 

 Upper side black. 



Prothorax with a supra-basal impression on each side ; elytra 

 broader past the middle than the base of the thorax by one-third . . conspicuus. 



Elytra elongated natalensis. 



Prothorax without any supra-basal impressions. 



Elytra elongated with two punctures on the third interval . . . . - 



J ° ^ ( nanus. 



Elytra elongated without any punctures lenis. 



Upper side olive-bronze. 



Prothorax with a supra-basal impression on each side similatus. 



Prosternum produced in a long spine. 



Each elytron with six striae, the two outer ones reaching nearer 

 to the base than the others angolensis 



Each elytron with the two, sometimes three inner strise defined, 

 the others evanescent siibstriatus. 



OoDES coNSPicuus, Per., 

 Trans. S. Afric. Phil. Soc, 1892, p. 20. 



Black, shining on the upper side, piceous underneath, the legs 

 and the three basal joints of antennae piceous ; head smooth, with 

 two deep impressions ; prothorax one-third broader at the base than 

 at the apex, with the outer sides gradually sloping from the base to 

 the apex, the slope more pronounced from the median part forward, 

 disk slightly convex, with a narrow, median, longitudinal groove 

 reaching short of both apex and base, and with a small but deep 

 supra-basal impression on each side ; elytra with the outer angles 

 very slightly broader than the base of the prothorax, but gradually 

 ampliated from the humeral angle to long past the median part, 

 where they are nearly one-third broader than the prothorax at its 

 widest, moderately convex, narrowly punctato-striate, with the 

 punctures shallow, intervals plane, the second one wider than the 

 others, the third one with a median and post-median suture placed 



