64 Descriptive Catalogue [1897. 



C 1. Prothorax without any longitudinal channel, the antebasal 



fovea wanting or round. 

 D 2. Head without any frontal transverse sulcus. 

 E 2. Broad and convex ; prothorax slightly cordate, broader than 



long; elytra not much longer than wide natalensis. 



E 1. Narrow, depressed ; prothorax much cordate, longer than 



broad ; elytra much longer than broad. 

 F 1. Larger ; head scarcely narrowed in front, sulci deep and 



very oblique ; prothorax sinuose on the sides close to the 



transverse sulcus pilosella. 



F 2. Smaller ; head strongly narrowed in front, sulci fine, little 



arcuated and less distant from each other; prothorax 



regularly cordate without sinuosity on the sides . . . . abdominalis. 

 D 1. Head with a deep transverse sulcus on the frontal part, 



dividing in two the tubercules bearing the antennae. 

 F 2. Head large, quadrate ; antennae little compact, ninth joint 



quadrate, tenth very little transverse nodosa. 



E 1. Head smaller, longer than wide. 



F 2. Ferruginous or rufous ; antennae compact and rather short, 



tenth joint very transverse microcephala. 



F 1. Black ; antennae longer and slender, joints third to seventh 



only slightly transverse, eighth to tenth quadrate . . . . obscura. 

 B 1. Antennae elongate, joints quadrate or even longer than wide longula. 



Baffrayia caviceps, 

 Plate XVI., fig. 1. 



Elongate, rufous or rufo-ferruginous, with the antennae and legs 

 paler, covered with a pale pubescence ; head slightly attenuate in 

 front, sides oblique, two large foveae between the eyes and two strong 

 oblique sulci connected in the anterior part, vertex slightly raised 

 and carinate lengthways from apex to base ; antennae rather elon- 

 gate, club triarticulate, first joint cylindrical, second ovate, third 

 obconic, fourth to tenth transverse, the fifth a little larger than the 

 following ones, while the joints are decreasing from the fifth to the 

 eighth inclusive, ninth and tenth larger than the preceding ones, 

 eleventh briefly ovate, truncate at base, strongly acuminate at apex ; 

 prothorax neither longer nor broader than the head,* equal in length 

 and breadth, oblongo-cordate, more attenuate in front than behind, 

 lateral foveae large, longitudinal sulcus obsolete, the transverse one 

 strong, not quite straight ; elytra as long as broad, base not attenuate, 

 shoulders well defined, dentate, oblique, sides hardly rounded, dorsal 

 sulcus short ; first dorsal segment of abdomen larger than the others, 

 and having two slightly diverging carinulae reaching to and enclosing 

 one-third of the width of the discoidal part ; legs rather elongate and 

 slender ; metasternum convex and having a median, minute fovea 

 close to the coxae. 



Male : Under side of the head near the mouth deeply excavated in 

 a quadrate form, posterior part of the upper part having a raised 



