Echinoderm^Larvae. 



PI. V. 



p. o 



|>.tr. 



Th. Mortensen del. 



1 2. Eucidaris Thouarsi (\'al.); 3 4. Phyllacanthus parvispinus XX'oods; onskd.pr.Aost. 

 5. Diadema antillarum Phil.; 6 7 (?) Astropyga pulvinata (Lamk.). 



