U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 82, ART. 18 PL. 19 



SPECIES OF PSEUDODIAPTOMUS 



1,2. Pseudodiaplomiis hessei: 1, Fifth feet of female; 2, fifth feet of male. (After Mrazek, 1894,) 

 3,4, Pseudodiaptomus hickmani: 3, Fifth foot of female; 4, fifth feet of male. (After Sewell, 1912.) 

 5, 6. Pseudodiaptomus pelagicvs: 5, Whole animal, female; 6, fifth feet of female, (After Herrick, 

 1887.) 



