The laws passed by some state legislatures, requiring the slaughter of tuberculous cattle, are, it appears likely, to be attacked in the coming sessions. The dairy and cattle trade interests, it is said, are already organizing to call for their revision, as it is claimed that as they exist at present they sometimes cause undue hardship and expense to the farmers and others. A correspondent in one of the leading agricultural journals calls for an investigation of tuberculosis in country and especially dairy districts, to show if possible what are the actual facts in regard to the transmission of the disease from cattle to man. It must be proved, he claims, that there is to be found at least as large a percentage of tuberculous cases, known to be such, from the consumption of milk, butter, cheese, etc., in the farming districts as is credited to this cause in city