Bull. 41 , Hygienic Laboratory. 
18. 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. 
