JACOBY, PHYTOPHAGOUS COLEOPTERA FROM .THE CAMEROONS. 233 



dually lengthened, thorax but little broader than long, the 

 lateral margins straight, the posterior ones slightly rounded, 

 the surface convex, impunctate, scutellum triangulär; elytra 

 much broader at the base than the thorax, rather convex, 

 the apex rounded; the surface entirely impunctate, the epi- 

 pleura? extremely broad and but little narrowed towards 

 the apex, trilobate apex of the last abdominal segment of 

 the male with the middle lobe subquadrate, slightly concave. 



The collection, containing 72 sp. in 1,552 specimens, be- 

 longs to the Museum of Natural History at Stockholm. 



