748 



DEPTHS OF THE OCEAN 



well as near the coast banks. Our methods of capture were 

 not designed for the purpose of obtaining detailed information 



h 



Fig. 542. 

 a-/i, heads of Scornbresox saurus in different stages of development ; /;, a young fish. The younger 

 stages somewhat enlarged, the older somewhat reduced in size, a-e, heads of Belone 

 vulgaris. (From Liitken.) 



as to the quantities occurring in different areas of the ocean ; 

 but in the present state of our knowledge it is very interesting 



^-^S^-" 



Fig. 543. 



Young flying fish {Exocoetus). Nat. size, 2 cm. 



to note that such large numbers of larvse and young fish really 



occur all over the ocean. 

 Eei-iarvK I will here restrict myself to giving some information as to 



(leptocephah). ^^ isolated group, viz. the larvae of the eel-like fishes (lepto- 



