COPEPODA 



769 



56 (48, 63) Right endopodite of fifth foot of male distinctly longer than first 



segment of exopodite. . 



57 



57 (60) Second segment of right exopodite of male- fifth foot has oblique 



ridge on posterior surface \g 



58 (59) First segment of right exopoch'te of maK- lifth f.K.t has transversa' 

 ridge on the posterior surface. 



Diaptomus asymmt trims Marsh nx>7. 



Fig. 1201. Diaptomus asymmetricus . 

 male. X 103. B, abdomen of 

 (Original.) 



A, fifth feet of 

 female. X yy. 



In the male fifth f(jol the lateral 

 spine of the terminal »cKinrnt i* 

 about one-half as lung as ihc seg- 

 ment; the first segment of the fcnuir 

 abdomen has a prominent swelling on 

 the right side. Found in Cul*a. 



LenKth of female, i.jg mm. 



Length of male, i.i6 mm. 



59 (58) First segment of right exopodite of male fifth foot has two curved 

 processes on posterior surface. 



Diaptomus J or sal is Marsh ujo;. 



In the male fifth UnA the I '.•'-'■ 

 spine of the terminal s*Tment • 

 or e.xceeds in len>:th the s«-Rnui.; 

 fifth cephalothoracic seRmrnt .: ; 

 female i.s armnl with t»-o .1 r . 

 proies.ses. Found in lA)uiMan.i .1:. 

 Florida and probably in other state 

 bordering on the (iulf of .Mcxiio. 



Length of female. 1 . 1 i mm. 



Length of male, i.oog mm. 



; 1202. Diaptomus darsalis. .4. fifth feet ol m*l« X U* 

 B, |)rofile dorsjil surface of cephalothorax ol Icmalc .X v--* 

 ((jnginal.) 



