7' 



BACTERIA 



AND THEIR PRODUCTS. 



BY 



GERMAN SIMS WOODHEAD, M.D. (EDIN.), 



Director of the Laboratories of the Conjoint Board of the Royal Colleges oj Physicians 



(Lond.) attd Surgeons (Eng.) ; Formerly Research Scholar of the 



Honourable Grocers' Company, 



WITH 2O PHOTO-MICROGRAPHS 



AND AN APPENDIX GIVING A SHOR T ACCOUNT OF 



BACTERIOLOGICAL METHODS, AND A DIAGNOSTIC DESCRIPTION 



OF THE COMMONER BACTERIA. 



LONDON : 



WALTER SCOTT, 



24, WARWICK LANE, PATERNOSTER ROW. 



1891 



