COPEPODA FROM IFALUK ATOLL 



207 



Figure 78. — Amphiascopsis ductus (Claus), Harry Sta. 41, ad. cT : a, whole animal, dorsal 

 view; loc. 589, ad. cf : h, whole animal, lateral view from right side; loc. 592, ad. cf : c, 

 abdomen, lateral view from left side. (X 165.) 



and an internal seta. In addition, the 3rd segment carries 2 hooked 

 claws of unequal size. 

 Legs 2 to 4 (figs. 79b-d) have the following setal formula: 



endopodite exopodite 



leg 2 1.1.121 1.1.223 



leg 3 1.2.321 1.1.323 



leg 4 1.1.221 1.1.323 



