New Orleans is about equal in this respect to New York. and by fumigation. carbolic acid. and other disinfectants. ships. merchandise. and passengers are detained but a few days at quarantine. The commercial interests of this country demand that the same intelligent and efficient system be extended to everyport in the United States. modified of course according to local necessities and requirements and the wishes of State and municipal authorities. The experience of the medical profession and the sound deductions of science authorize the following conclusions. and which are so well established that they may be regarded as professional axioms. naimely: Asiatic cholera and yellow fever may be excluded from the United StatesFirst. Bh- a thorough system of sanitation. Second.