COPEPODA 



87 (88) 



Setae of fifth feet very elongate, last anlennal scgmcnl armeti wiih 

 serrate hyaline plate; common. 



Cyclops Icuckarti Cbus 1857. 



This sixties \s < " .., 



of the furcic. N 

 segmented antrtu; 

 of short rami, with ilu l.iii : 

 about midway of its liiit'th I 

 the structure of thi- lift I • ■ 

 be quite sure of the i-: 

 American species has il 

 tion of tenuis, ami, vi fa- 

 only one locality. Thi 



in another place, is pc : 



is almost world wide in its < 

 been found in all continents. 

 variations which are fouml in 

 are also world wide, so that 

 Fig. 1221. Cyclops leuckarli. A, abdomen seems to have no efle* t <jn lli. 

 of female. X 69. B, fifth foot of same. Length of female. 1 a li.n. 



X 232. (Original.) 



(87) Setae of fifth feet of moderate length, last antennal st-gmcnl with- 

 out hyaline plate Cyclops tniuis Mav>h iQio. 



It has been found in .Arizona and in the Isthmus o( Panama. 

 Length of female, i.i mm. 



Fig. 



Fifth foot of Cvc/u/)5 /fwttii. X 2:1. (OrifinaL) 



89 (81, 84) Second segment of fifth feet armed with three setae. . ■ o 



00 (91) With sensory club on twelfth anlennal segment, hyaline plaU of 

 seventeenth antennal segment smooth or srrrale. oRg .sacs 

 standing out from abdomen. . Cyclops albidus Junnc 1820. 





