Plate XII ; Figures 80 to 82. 



Fig. 80a .Colcochccic irregularis Pringsh. (?) 



(250 diameters) .... page 51 



b. Herposteiron Confervicola Nag. . 50 



c. Diatom ...... 



Fig. 81. Myxonema lubricum var. various Haz. 



(500 diameters) .... 47 



Fig. 82. Myxonema tonne (Ag.) Rab. (250 

 diameters) ..... 



a a 



