COR PEM KS 
CHAP. PAGE 
PREFACE : ; : : ; ; sare 
J. INTRODUCTORY . : : E : : PAGS 
II. ‘TRANSMISSION AND SPREAD OF VIRUSES . LS 
III. ARTHROPOD RELATIONSHIPS WITH VIRUSES eles (° 
IV. SOME REPRESENTATIVE VIRUS DISEASES . hae 
V. ISOLATION AND PURIFICATION OF SOME REPRESENTATIVE 
VIRUSES . : : hig 
VI. PHysICAL AND CHEMICAL PROPERTIES OF VIRUSES . he’. 
VII. ELECTRON MICROSCOPY OF VIRUSES : 6) OS 
VIII. SEROLOGY OF VIRUSES . : Pee i) 
IX. CONTROL OF Virus DISEASES ot), OF 
BIBLIOGRAPHY . : : : : : : a 96 
INDEX . : : ‘ : “ ; , (TOS 
eg ea oe 
vii 
