^i 



I'l.A rilSHI-;S (HKTKKOSO.MAI A) 



(or i\.mipli'. nuUinicnplHisis does luit take- pl.ur until tlio kirxa has ro.ulu'd .1 length 

 i)f 30 to 40 nun.,' anil a post-Iaival Bolhns of unUnown species of more than 50 mm. 

 m length with tile eyes still symmetrical has been rccordeil.- In the absence of know- 

 ledge of the larval characters it is impossible to be certain whether the larv.-r captnred 



i-if. -M. — A, I'ost-larva of A rnoglossus impcrialis (18 mm.) — the spots round the margins 

 iiidK .itf distribution of spines ; u, postdarva of Boihus podas (8 111111.) ; c, postdarvai 

 I iirljcit [Scnphthidmus maximus) (aljout s mm.), showins Ihc spines on the head. r.\ and B 

 .dlrr Kyle, r after Holt. J 



' The following tiRures ^ive some idea of the relative lengths at whi. h various Id.itlislies midci 

 metamorphosis. They do not always give an indieation of the actual duration of larval life, 

 there is considerable variation in the rate of growth of the larva-. Platichthys y?t'.s»s, 10-12 inn 

 l'leurnnc(lc$ filnlessa, about 14-16 mm. ; Microsliimus kill, lo mm. ; (jlyptoccphaius cyiwgloss 

 40 60 mm. ; Anin^lasatta spp., 14-40 (or 50) mm. ; liothus pndiis, 30-40 mm. 



' Kvle (,.,.,. p. O.J). 



