18 



CEEAMBTCID^E. 



and narrower ; the legs not asperate. Elytra distinctly and rather 

 closely punctured, more or less rugulose. Last ventral segment 

 with rounded hind margin. The hind breast pubescent as in the 

 male. 



Length 25-38 mm. 



Hob. Ceylon ; Southern India. 



Genus ANCYLOPROTUS. 



Ancyloprotus, White, Cat. Coleopt. B. M., Longic. i, p. 19 (1853) ; 

 Lacord. Gen. Coleopt. viii, p. 57 (1869). 



Type, A. bigibbosiis, White. 



Range. Assam, Manipur, Burma, and Java. 



Very closely related to Prionomma, the chief characters that 

 distinguish it are as follows : Mandibles abruptly turned in below, 

 with their lower border almost straight instead of curved ; left 

 mandible expanded inwardly between the middle and the tip 



Fig. 6. Ancyloprotus bigibbosus, White, c? , and front view of head. 



into a broad blade with a sharp and nearly straight edge. Anten- 

 niferous tubers united in front, divided above by a groove which 

 widens out behind into a broad channel lying between the eyes. 

 Antennae much narrower than in Prionomma and less stronglv 

 serrate ; first joint subcylindrical, more than twice as long as 

 broad, equal in length to the fourth joint. Pronotum with a 

 hump on each side of the middle. Elytra twice as long as 

 broad. 



