io6 MARINE AND FRESHWATER FISHES 



wherein the fish stowed away any superabundant supply of 

 food, and another that they supplied refuges to which the 

 young retreated for safety when alarmed. As a matter of 

 fact these gill pouches are almost invariably found to 

 contain examples of that interesting parasitic crustacean 

 Lerneotoma lophii. The spawn of the Angler is reported 

 by Professor Spencer Baird, of the United States Fishery 

 Commission, to form a floating sheet of mucous of from 



FIG. 6. YOUNG ANGLER (Z. plSCCltorius). 



sixty to one hundred feet square, the number of ova 

 computed to have been contained in such a mass deposited 

 by a specimen measuring four and a half feet long, being no 

 less than 1,427,344. The earliest pelagic condition of the 

 Angler, as shown in the accompanying figure, differs in a 

 remarkable manner from the parent form, and more especi- 

 ally in the luxuriant development of the fins and fin rays. 



