588 



FRESH-WATER BIOLOGY 



Fig. S70. Furcularia FiG. 871. Purcularia FiG. 872. Diglena ros- FlG. 8^^. Distemma set' 



/orficuta'Ehi.Xsoo- longiseta Ehr. X 400. trata Dixon -Nuttall. igerum Ehrenberg. 



(After Weber.) (After Dixon-Nuttall.) X 320. (After Dkon- X r66. (After Ehren- 



Nuttall.) berg.) 



Fig. 874. TriopMhalmus Fig. 87s. AUiertia in- Fig. 876. Pleurotncha Fig. S77. Taphrocampa 



dorsualis Ehrenberg. Irusor Gosse. X 13S. jramiw Western. X 125. a»«ii/ojo Gosse. X 14. 



X80. (After Ehren- (After Gosse.) (After Dixon-Nuttall.) (After Weber.) 

 berg.) 



