When we decided to investigate the relative and individual merits of the newer methods of diagnosing tuberculosis, the literature did not contain the almost innumerable reports upon these procedures that are current to-day. But we feel that this in no sense detracts from whatever merit this communication may have, since we are now enabled not only to report on the results of our own investigations, but also to point out their relationship to the work which has already been done, which may add something in the general consensus to the clearing up of this undeveloped question. The tests which we have applied have been:
The conjunctival test of Calmette and Wolf-Eisner in one hundred and fifty-eight cases.
The scarification test of von Pirquet in one hundred and fifty-nine cases (using both human and bovine tuberculin in twenty-four cases).
The ointment test of Moro in one hundred