" 

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EXPLANATIONS AND REFERENCES, 

 PLATE CXXIII. 



Figures magnified 125 diameters. 



PAGE. 

 Fig. i. SPITAEROPLEA ANNULTNA, filament chlorophylons green, . 104 



' '2,. Shows the arrangement of the mature (red) spores, . . 104 



" 3. Frequent appearance of filament preceding development of 



spermatozoids, . . . . .104 



' 4. Spermatozoids set free, more highly magnified, . . 104 



5 Zoogonidia under high power, ... 104 



(!-9. APIOCYSTIS BRAUNIANA, two young fronds; two mature fronds, 

 one of them with cells undergoing segmentation and a 

 large frond with matured gonidia, . . . -02 



' 10. Free ciliated gonidia or zoospores, .... ^202 



Figs. 11, 12. UROCOCCUS INSIGNIS, ...... 201 



Fig. 13. UROCOCCUS HOOKERIANUS, ..... 201 



