6o6 



FRESH-WATER BIOLOGY 



FIG. 927. Asplanchnopus myrmeleo Ehr. A, side 

 view. X 80. (After Weber.) B, jaws. (After D 



Wierzejski.) D 



FIG. 928. Harringia eupoda Gosse. A, side view. 

 X ioo. (After Western.) B, jaws. (After 

 Wierzejski.) 



FIG. 929. Asplanchna priodonta Gosse. A, Dorsal view. 

 X ioo. (After Weber.) B, jaws. (After Wierzejski.) 



FIG. 930. Ascomorpha ecaudis Perty. 

 X 300. (After Hudson and Gosse.) 



