Bul. 569, U. S. Dept. of Agriculture. PLATE |. 
BCHI887 
Fic. 1.—MOLD FROM SLIME ON INSANITARY APPARATUS. (MAGNIFIED 100 DIAMETERS.) 
Note the feathery character. 
aa 
BCHI894 
Fic. 2.—MOLD FROM SLIME ON INSANITARY APPARATUS. (MAGNIFIED 300 DIAMETERS.) 
