18. Scutal punctations imiformly shallow, 

 small or medium size, dense and close 

 everywhere except in scapular areeis, 

 on festoons, outside lateral margins, 

 and in narrow area just inside latereLL 

 margins. Posteromedian and paramedian 

 grooves vague or obsolete. Adanal 

 shields typically sickleshape (reduced 



in small specimens) R. LONGUS 



Figures 2fi and 21^ 



Scutal punctations uniformly large, 

 deep, dense but not contiguous in 

 central area, variable in size in 

 cervical area, fewer laterally. 

 Posteromedian and paramedian grooves 

 long and narrow. Adanal shields 

 broadly triangular but with rounded 

 margins, inner margin slightly con- 

 cave and more or less pointed at 

 juncture with posterior margin, 



other jvmctures rounded R. COMFOSITUS 



Figures 253 and 254 



- 592 _ 



