2l8 



BULLETIN OP THE BUREAU OP FISHERIES. 

 O 



FlO. 3. — Spore of Ceratomyxa. A, from above; B, from capsular side; A-B, longitudinal axis; 

 C-D, transverse axis; E-F, vertical axis. 



B A- 



— B A 



Bo. 4. — Spores. A and B, Leptolheca: C and D, Sfihrrospora. lettering as in figure 3. 



