6oo 



FRESH-WATER BIOLOGY 



Fig. gog. Notops bracliionus 

 Ehr. X loo. (After Weber.) 



Fig. gio. ffofoiis /letegtcus Jennings. j4, side 

 view; B, Corona. X 40o- (After Jen- 

 nings.) 



VlG.^iz.Anapusovalis 

 Bergendal. X 240, 

 (After Weber.) 



fl 



}■■■ 





B 



Fig. 9x2. A, Hifotops clamUttus Ehr. X too. 

 (After Hudson and Gosse.) B, Corona. 



(After Jennings.) 



Fig. 913. ^andB, Forms of -4nwr<MacocWeam Gosse. 

 A , variety macracantha. B, Variety tecta, X 300. 

 (After Lauterborn.) C Male of Anuraea brevis- 

 pina Gosse. 



