= 
a 
k ~ 
rasj (a) 9.0) = Y=2 > OV MOS OW Ee 
‘eriodaphnia scitula (small variety). Ephippial female. 
Bosmina longirostris. 
es lilljeborgii. After P. E. Mueller. 
ay Hook on the first foot of male. 
Seapoleberis mucronata. 
ia cornuta. Head. 
x angulata. Head. 
es angulata. Angle of shell. 
Pleuroxus denticulatus. Male. 
Simocephalus americanus. Head of female. 
Bosmina. Post-abdomen of male (after Weismann). 
