Bull. 56, Hygienic Laboratory. 
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33. FILTHY WALLS, FLOORS, AND CEILINGS. A CONDITION FREQUENTLY MET WITH IN OLD 
BARNS. CEILING FULL OF COBWEBS AND DUST, WALLS AND FLOORS SHOW LITTLE EVI- 
DENCE OF CLEANING. CLEAN MILK CAN NOT BE PRODUCED IN SUCH A PLACE. “THIS 
IS THE KITCHEN WHERE BABY’S BREAKFAST IS PREPARED.”— DR. SANTEE. 
