

%Lk^ 



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r<. •L ."5^!KhujI_ 



Photo. D. P. Il'i!s07i. 



Larvae of Acorn-barnacle (Bulanus). xii. (p. 244). 



Photo. D. P. IVilson. 



PL 87. ^' -4: 



Plankton containing larval Crustacea and worms, 44 (p. 244). 



