ABT. 18 NEW AMPHIPODS FROM CALIFOENLi — SHOEMAKER 



Figure 4.— Eurystheus tenuicornis (Holmes) : a. Posterior half of male showing 



THE GREATEST DEVELOPMENT OF THE SEVENTH SIDE-PLATE ; I, MANDIBLE ; C, GNATHOPOD 2 

 OF FDLLY DEVELOPED MALE ; d, MAXILLIPED ; 6, FOURTH, FIFTH, AND SIXTH PLEON SEG- 

 MENTS, TELSON, AND UROPODS OF YOUNG MALE 



