204 Dr. Guy A. K. Marshall on 



widening to the apex, and with the sides straight; 

 prothorax a little broader than long, with the sides 

 rounded ; elytra with interval 3 forming a regular broad 

 smooth costa, interval 4 not raised vagneri Har. (1863). 



3. (2) Rostrum parallel- sided in the basal half, broadlj'' dilated at 



the apex, and M-ith a broad deep median furrow; pro- 

 thorax as long as broad, the sides straight from the base 

 to beyond the middle; elytra with interval 3 narrowly 

 undulating behind and not well defined, interval 4 

 shortly and irregularly raised behind middle. 



4. (5) Costae on the prothorax straight and smooth ; basal margins 



of elytra straight, the posterior tubercles comparatively 

 small and distant, projecting backwards not nearly as 

 far as the apices ; posterior filamentous growth on elytra 

 rust-red jyraeferitus, sp. n. 



5. (4) Costae on prothorax curved and much interrupted; basal 



margins of el3^tra sinuate between interval 3 and the 

 external angle, the posterior tubercles very large and 

 subcontiguous, projecting backwards as far as the 

 apices (when viewed in profile); the posterior groAvth 



blackish broAvn equicaudatns, sp. n, 



G. (1) Elytra Avithout such tubercles. 



7. (20) Apical joints of funicle not longer than broad, bead-like ; 



elytra with tlie apices not, or only very shortly, produced. 



8. (19) Elytra not tuberculate at the apex. 



9. (12) Sutural area of elytra markedly depressed as far as the 



top of the declivity ; median furrow on rostrum shallow. 



10. (11) Rostrum parallcl-sidcd ; scutellum small and narrow, 



longer than broad .... rugosus Tasch. (1870)- 



11. (10) Rostrum slightly narroAved fjom base to apex; scutellum 



moderately large, twice as broad as long dbesxis, sp. n. 



12. (9) Sutural area of elytra not depressed : median furrow on 



rostrum broad and deep. 



13. (16) Elytra with intervals 3 and .5 strongly and evenly costate; 



colour black, with brown or blackish scaling. 



14. (15) Costae on intervals 3 and 5 of the elytra terminating 



abruptly before the posterior declivity, intervals 1 and 

 7 not costate; prothorax narrowly and shallowly 

 impressed, as long as (9) or longer than broad (o); 

 legs piceous abniptecostalus, fsp. n. 



15. (14) Costae on intervals 3 and 5 of the elytra complete, intervals 



1 and 7 similarly costate ; prothorax broadly and deeply 

 impressed, broader than long ($); legs black. 



septemcostalns, sp. n. 



