Clinical Reports on Continued Fever Based on Analyses of One Hundred and Sixty-four Cases with Remarks on the Management of Continued Fever; the Identity of Typhus and Typhoid Fever; Relapsing Fever; Diagnosis, Etc. To which is Added a Memoir on the Transportation and Diffusion by Contagion of Typhoid Fever, as Exemplified in the Occurrence of the Disease at North Boston, Erie County, N.Y.