186 



a. STEWARDSON BEADY. 



Ceriodaphnia natalis n. sp. 

 Fig. 3.— Male seen from left side, x 84. 

 Fig. 4. — Antennule of same, x 100. 

 Fig. 5.— Female seen from left side, x 84. 

 Fig. 6. — Female seen dorsally. x 84. 

 Fig. 7. — End of caudal lamina, x 240. 



Simocephahis capensis? G. 0. San 

 Fig. 8.— Female seen from right side, x 31. 



Pleuroxus assimilis n. sp. 

 Fig. 9.— Female seen from left side, x 110. 

 Fig. 10.— Caudal lamina, x 320. 



