Female from above. b crhaaee 
Antenna. 1 6 ea 
‘ 
Antenna of young. ee es. 
Abdomen of young. eh ae 
Foot of young. i 
Foot of adult. 
Fifth foot. 
Eye. 
(Should have been cut out.) a 
Cyclops serrulatus. Young from above. 
Daphnella brachyura. 
: 
Female. Lateral view. eke! 
Male. a fp 
Edge of valves. 
Abdomen of male. 
Abdomen of female. 2 ; 
Antenna of male. 
A i Cyclops fluviatili Men 
