COPEPODA 



767 



51 (50, 52) Terminal segment of right cxopoditc („ „nh i.K.t oi niaU iiiuch 

 broader at distal end. lateral spine nearly Icrminal and 

 straight, left endopoditc elongate. 



Diaptomus lonipfJatus Marsh 1907. 



Founr! in I^ui^tana. 

 lA-riKth «)f ft-malc. i 49 mm. 

 LtnKth of male, i j?s mm 



Fig. 1 197, Diaptomus conipedatus, maXt. ^, fifth feet. X 126. 

 B, terminal segments of right antenna. X 193. (Original.) 



52 (50, 51) Terminal hook of right exopodite of fifth foot of malt- falciform, 

 lateral spine at distal third of segment, sei'ond Iw.sal seg- 

 ment of right foot broad at distal end with i)rotiiis at 

 external distal angle. 



Diaptomus sanguifuus Forbes 1876. 



Mississippi Valley. Occur* in 

 spriiiK. in st;i>:nanl pooJv 



Ix-ngth of fi-malc. 1.4 lu j 1; mm 

 Length of male, i to 2 ram. 



Fig. 1198. Diaptomus sanguineus, yl, terminal seg- 

 ments of right antenna of male. X i93- ^. hlth 

 feet of same. X no. (Original.) 



