





-» 



.<•• 



<• 



* 



H ft / 



- 



' 





/ 





PI. 91. 



Del. F.S.R. 

 Larval Stages in Plankton (pp. 122, 244). 



1 . I iarva of Porcelain Crab (Porcellana) x 12. 



2. Larva of Hermit Crab (Eupagurtis), x ]•_'. 

 :;. Larva of Squat-Lobster (Galathea), X12. 



4. Shell of larval Mollusc ( Echinospira), <12. 



.">. A medusa | Neoturris pileata). X3. 



ti. Larva of Sea ("rchin ' E //inns esculentus), X20. 



A' 2 



5J' 



