COPEPODA 



76s 



41 (40) Lateral spine of second segment of right cxopoditc of male fifth 

 foot long, right endopodite criuals in length first sfjcmcnl 

 ofexopodite Oiaptomus ashLnJt SUr^h iSi^s 



Foun<l in the Grrat Lakrs and v>ro« 

 lakes immt-diatcly n »nnra r«l wjlh them 

 and west to thr Slate <»f WashinKton. 



Length of frmale. o.<>7 mm. 



Length ^.>i male, o.tiy mm. 



Fig. 1 193. Dijptomus ashlandi, male. .4, fifth 

 feet. X 145- B, terminal segments of right 

 antenna. X 145- (Original.) 



42 (23, 26) Antepenultimate segment of right antenna of male l)cars curved 

 process 43 



43 (46) Process equals or exceeds in length penultimate segment. 



44 (45) Process about equals in length last two segments, second hasal 

 segment of right fifth foot of male dilated on inner margin, 

 endopodites of fifth feet in both sexes indi.>itincily two- 

 segmented Diaptomus cisoii Lilljeborg iSS<j. 



Has been found only in CAlifomi* 

 and Nebraska. 



IxnKth of female. 4 nmi 

 Length of male, j.5 mm. 



Fig. 1194. DiaMomus 

 X 38. B, terminal 

 X 133- (Original.) 



eiseni, male, 

 segments of 



A. fifth feet, 

 right antenna. 



