Bul. 224, U. S. Dept. of Agriculture. PLATE |. 
Fic. 1.—ONE DROP OF WATER FROM A Fic. 2.—ONE DROP OF WATER FROM SAUCER 
SAUCER WASHED IN RUNNING WATER SHELF. (REPRINT FROM CIRCULAR 98, 
AFTER RECEIVING A BAD_Ea@G. (REPRINT BUREAU OF CHEMISTRY.) 
FROM CIRCULAR 98, BUREAU OF CHEM- 
ISTRY.) 
Fia. 3.—ONE Drop oF “‘ DRIP”? FROM TRAY Fic. 4.—FINGER TIPS OF BREAKER 
(B HOUSE). (B HOUSE). 
B HOUSE. 
