Plate V. 



I'm. I. PontobdeUa murioata, I.. Slightly enlarged. 



Fig. 'J. Pigcicola geometra, L. Enlarged. 



Figt, 3, I. & 5. PontobdeUa litt-oralis, Johnst., various positions, on Oottut 

 bubalis. 



Fiii. 6, Sucker of the same. All enlarged. 



Pig. 7. First pair of foot-jaws in a brilliantly-coloured male of Caicimn 

 mttnaty I.- 



Fuj. 8, I 'nder surface nl" tlie carapace nf the Bame male. 



Fur 8. I'l-'titoiuitiii (P i from deep water. 



