A TEXT-BOOK OF 



BACTERIOLOGY 



A PRACTICAL TREATISE 



FOR STUDENTS AND PRACTITIONERS 



OP MEDICINE 



BY 



PHILIP HANSON HISS, Jr., M.D. 



LATE PROFESSOR OP BACTERIOLOGY, COLLEGE OP PHYSICIANS AND SURGEONS, 

 COLUMBIA UNIVERSITY, NEW YORK CITY 



AND 



HANS ZINSSER, M.D. 



PROFESSOR OP BACTERIOLOGY, COLLEGE OP PHYSICIANS AND SURGEONS, COLUMBIA 



UNIVERSITY, NEW YORK CITY; FORMERLY PROFESSOR OP BACTERIOLOGY 



AND IMMUNITY, STANFORD UNIVERSITY, CALIFORNIA 



WITH ONE HUNDRED AND FIFTY-FIVE ILfMSTRATIONS IN THE 

 TEXT, SOME OF WHICH ARE COLOBED 



SECOND EDITION 



NEW YORK AND LONDON 

 D. APPLE TON 'AND COMPANY 



1915 



