Bui. 133, Bureau of Chemistry, U. S. Dept. of Agriculture. 



PLATE VI. 



FIG. 1 .MOLD TAKEN FROM FISH, SHOWING THE DIVISION OF HYPH/E INTO OIDIA (X 550). 



A B 



FIG. 2. yl. MATURE CONIDIOPHORES; CONIDIA SEPARATING (X550). B. GROWTH OF 

 MOLD ON SLIDE, PART IN AIR AND PART IN WATER, SHOWING Two METHODS OF 

 DEVELOPMENT (X550). 



