It has been suggested that early lettuce should be very carefully washed before eating. It is often forced in frames and watered with liquid manure, which is liable to get in among the leaves and remain there, unless carefully looked after. Some curious physicians pretend that some cases of typhoid fever have been traced to this cause; but just how it was traced it would be well to know. By what we read of the opinions of physicians, it is a mystery that any member of the human race lives over a single day.