NO. 3656 COPEPODS—LEWIS 45 
Ficure 19.—Pseudocaligus similis, new species: a, male, dorsal view; b, female, dorsal view; 
c, male fourth pedigerous and genital segments, ventral view; d, female, same; ¢, posterior 
cephalothoracic sinus, dorsal view; f, right caudal ramus, ventral view; g, right lunule and 
antennule (see text for differences between female and male), ventral view. 
