In this paper I desire to supplement my recent report on serum therapy1. I therefore shall not attempt to enter into the histories and descriptions of individual cases, but will give a summary of cases treated and form a few general deductions.
The report includes only those cases treated with "Antiphthisic Serum, T. R.;" time covered by the treatment twenty-one months; number of cases treated, fifty.
For convenience of description I shall arrange the cases into two groups: 1. Those in the first class were in the earliest incipient stage and had not advanced to the stage of expectoration in which bacilli could be found. 2. Those in the second class had advanced to the stage of expectoration with bacilli present.
There are nineteen cases belonging to the first class. These cases gave the usual symptoms belonging to the incipient stage. The majority of them gave a strong tuberculous