U S. NATIONAL MUSEUM 



PROCEEDINGS, VOL 82. ART. 18 PL. 15 



Species of PSEUDCDiAFTorv.us 



1.2.4. PseudcdiaptGmiisttcutvs: 1. Whole animal; 2, f.fth feet of male; 4. fifth feet cf female. (After 



Dahl, 1894.) 

 '3,1-7. Pseudodiaptomus aurivilli: 3, Whole animal (after Cleve, UOl); 5. second antenna (after 



Cleve, 1901); 6. fifth feet of female (after Thompson end Scott, 1£03); 7, f.fth foot of female 



(after Thompson and Scott, 1903). 



