vi PREFACE TO THE FIFTH EDITION 



new Appendices dealing with Acute Poliomyelitis, Phlebotomus 

 Fever, and Typhus Fever. 



Several new illustrations will be found in the text, and we 

 have also added a series of coloured plates which have been 

 reproduced from drawings by Mr. Richard Muir of the Depart- 

 ment of Pathology, University of Edinburgh. f 



November 1910. 



