PLATE VII. 



Fig. 1. Pontocrfites ftU.tmarin.us (B. & W.), p. GO, first gnathopod. 

 2. ,, second gnathopod. 



;j, ,, second gnathopod extremity, 



more magnified. 



4, 55 ,, basal joints last perseopod. 



5. Poiiton-iites orcttcus, G. 0. Sars (not British), p. 70, second 



gnathopod. 

 Q f second gnathopod extremity, more 



magnified. 



7. Synclielidium hj>lochele* (Grube), p. 67, first gnathopod. 

 ,S < second gnathopod. 



9 second gnathopod extremity, more 



magnified. 



