PLATE XX r.X 



STACKS IX THE METAMORPHOSIS OF LEPTOCEPHALUS BREVIR.OSTRIS, 

 THE LARVA OF THE COMMON K.KL 



(AFTER JOHANNFS SCHMIDT) 



I. EARLY LEFTOCEl'IIALUS STACK OCCURRING NEAR SURFACE IN ATLANTIC. 2- 

 1N VERTICAL BREADTH AND FORWARD EXTENSION OF FINS. 7. GLASS-EEL FK 



8. PIGMENTED ELVER 



6. REDL'C'J ION 

 M MORI II SEA. 



