L B 



Fi^ 7 PERICHAETA MflCQUARIEN SIS 



^, 8 PERICHAETA VAL/OA 



iiKSiyf''! 



Fi, 10 FLETCHERODRILUS UNICL 



13 PtRICHAETA PORSALIS 



FijJ3 OIGASTLR EXCAVATA 



