a Spanish steamer, probably in a crate of onions or potatoes, and that the same line of steamers that brought the disease to Porto Rico carried it on to Havana and probably to New Orleans. Quarantine is at best a compromise that tries to give the greatest amount of protection with the least amount of obstruction. It must rely on information as to the health of other places, and when such information is false, a non-prohibitory quarantine is powerless. Honesty and fair dealing in questions of

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... demic diseases is necessary if international sanitation is to advance, and if such histories as those of plague in Porto Rico and Cuba are not to be repeated.