p. Z S .1882 .PI XLV 



i.b 



la. 





2a 



2 /b 



-i^ 



*. 



R Mmtem. , del , et litK . 



MirAern Bros imp 



1 PSOLUS (lophothuria) peronh. 



2 PSOLUS (HYPOPSOLUSj AMBULATOR . 



