was there that typhus was found and at length clinically described by competent physicians, among the earliest of whom was Lettsom. The General Dispensary in Aldersgate Street having been started in 1770 with one physician, Lettsom was chosen additional physician in 1773, and threw himself into the work with great zeal[242]. In the first twelvemonth he saw many cases of fever, as in the following table: _Lettsom’s practice in Fevers at the Aldersgate Dispensary._ 1773 Febris April May June July Aug. Sept. Oct. Nov. Dec. hectica 2 2 4 13 4 2 3 4 9 inflammatoria -- -- -- -- -- -- -- 1 1 intermittens 3 1 7 1 1 1 1 -- 2 nervosa 4 3 4 14 7 11 4 5 1 putrida 14 19 14 25 14 21 34 22 11 remittens 6 10 5 4 3 6 7 3 12 simplex vel -- 2 1 6 2 5 4 5 -- diarium 1774 Total in Febris Jan. Feb. March 12 months Died hectica 12 18 13 86 3 inflammatoria 1 -- 2 5 -- intermittens 1 2 2 22 -- nervosa 1 5 4 65 3 putrida 6 7 5 192 8 remittens 13 10 3 82 -- simplex vel -- -- 4 29 -- diarium