pg viii (table of contents) Preface page should be v not vii pg 2 Changed His schooldays were passed to: school-days pg 16 added period to end of sentence: and of muscular exercise pg 42 changed comma to period at: from which they have sprung pg 163 added semicolon to: as a great chemist pg 163 changed but be appears to: but he appears pg 228 changed spelling of St. Batholomew’s to: St. Bartholomew’s pg 233 changed double quotes around lectured to single quotes: going to be lectured pg 294 Changed Now-a-days subcutaneous operations to: Nowadays pg 304 changed spelling of Upsala to: Professor at Uppsala Added Index from volume 2.