15. Adanal shields slckleshaped. Three 



middle festoons may protrude. Postero- 

 median groove shallow but usually dis- 

 cernible. Punctations slightly more 

 dense bordering posteromedian groove. 

 Interstitieil punctations varying from 

 absent to fairly ntomerous but not 

 obscuring basic pattern. (Specimens 

 may integrade with R, s. sinius) 



. .E. S. SENBGALENSIS 

 iTgtires 305 and 306 



Adanal shields unusually wide, with 

 rounded outer and posterior margins 

 but with an elongated point at the 

 junctmre of the posterior and the con- 

 cave inner margin, this point reaches 

 the festoons. Scutum exceptionally 

 flat and broad 



16. Lateral grooves replaxied by a line of 

 almost contiguous punctations. Pos- 

 terior grooves merely faint, shagreened 

 lines. Pimctations numerous, close or 

 contiguous, mixed large ajid small. 

 (a mountain-inhabiting species) 



R. CUSPIDATUS 



Figures 257 and 258 



R. KOCHI 



Figures 269""and 27U 



Lateral grooves present, 

 ter s various 



Other charac- 



.17 



17. Posteromedian and paramedian grooves 

 wide and deep (like those of R. s. 

 sanguinevis ) . Adanal shields Typical— 

 ly oroadly triangular (like those of 

 R. s. sanguineus ) but may be reduced 

 "^o a pseudosickleshape . Punctations 

 deep, dense, medium to large, some 

 confluent; fewer laterally 



R. SULCATUS 



Figures 309 and 310 



Posteromedian and paramedian grooves 

 long and very narrow or vague or 

 obsolete 



.18 



- 591 - 



