116 Sitst Annual Report 
VEE 
eva 
Figure 64. Chydorus simplex 
A, Adult, habit sketch. B, Postabdomen. C, Second foot. D, Antennule. 
F, Plumed hairs on posterior distal margin of shell, showing where plumed hairs 
pass into teeth of anterior angle. G, First foot. H, Mandible. 
