178 THREE CRUISES OF THE '' BLAKE." 



(Fig. 542.) Nearly all the specimens of Crihrella hos2)itaUs 



Fig'- •")42. — Phakellia tenax. |. 





Fig. 543. — Blind Isopod 

 parasitic of Cribrella 

 hospitalis, magnified. 

 (Schmidt.) 



are occupied by a parasitic blind isopod. (Fig. 543.) Schmidtia 

 aulopora (Fig. 544) represents a widely distributed West Indian 



Fig. 544. — Schmidtia aulopora. ■^. 



