388 Dr. Malcolm Cameron on 



-• First three joints of the antennae pitchy- 

 testaceous; species smaller (1 — 1-2 



mm.) and narrower. 3. 



3, Thorax black, more than half as broad 



again as long, species less finely 



punctured. (J : 8th dorsal segment 



as in bispina, but the central lobe with- 

 out tubercle ..... (86) lobata Cam. 

 — Thorax pitchy, one-third as broad again 



as long ; species more finely punctured. 



(^ : 8th dorsal segment with three 



equal and closely placed teeth at the 



middle of the posterior border, which 



is deeply emarginate on either side, 



the emargination bounded externally 



by a long, sharp, inciuved spine; 3rd 



dorsal segment variable, either (1) the 



posterior border triangularly produced 



in the middle into a lobe with rounded 



apex, broadly emarginate on either 



side, the emargination bounded exter- 

 nally by a stout spine extending nearly 



to the level of the posterior border of 



the 4th segment, or (2) the posterior 



margin only slightly produced into a 



broader lobe emarginate posteriorly, 



otherwise as in (1) or (3), the posterior 



margin not at all produced and the 



lateral spines shorter and broader . (87) notabilis Cam. 



Pseudoplacusa Cam. 

 1. Rufo-testaceous, moderately shining, 

 head and elytra pitchy- black ; an- 

 tennae reddish-testaceous. Length 

 2-1 mm. ..... (88) riifiventris Cam. 



Chledophila Cam. 

 1. Narrow, elongate, scarcely shining, rufo- 

 testaceous, the head pitchy- red ; elytra, 

 6th abdominal segment and last seven 

 joints of the antennae fuscous. Length 

 2-1 ram. .... (89) annularis Cam. 



