Plate 17 



Fig. 1. Aphanoclmete polychaete (Hansg.) Fritsch, x 500 (re- 



drawn from West and Fritsch, courtesy of the Mac- 

 millan Pubhshing Company) 



Figs. 2, 3. Aphonochaete repens A. Braun, x 440 



Fig. 4. Aphanoclmete vermiculoides Wolle, x 750 



Figs. 5-7. Coleochaete diver gens Pringsheim: 5 and 6, antheridia, 

 X 150; 7, oogonium, x 220 



Figs. 8, 9. Coleochaete irregularis Pringsheim: 8, antheridia, x 440; 

 9, oogonium, x 220 



[694] 



