?ii                                                                   CONTENTS.
CHAPTER VI.-BRIEF SURVEY OF FACTORS WHICH IN-	                                    Page
FLUENCE MALARIA	                                                             ... ... 81
Section 1. Conditions influencing malaria through the Anopheline factor	
in Bombay                                                                    ... ... 82
Species of anopheles in relation to malaria                                  ... ... 82
Number of malaria-carrying anophelines in relation to	
malaria                                                                      ... ... 82
Character of breeding places in relation to malaria	                     ... ... 83
Rainfall in relation to malaria                                              ... ... 83
Temperature in relation to malaria                                           ... ... 84
Cold									     ... ... 84
Heat	                                                                     ... ... 84
Atmospheric humidity in relation to malaria                                  ... ... 84
,, 2. Conditions influencing Malaria through the human factor                 ... ... 84
Social conditions in relation to malaria                                     ... ... 84
Overcrowding in relation to malaria	                                     ... ... 55 
Economic conditions in relation to malaria                                   ... ... 85
Soil disturbance and outbreaks of malaria                                    ... ... 86
Education in relation to malaria                                             ... ... 87
The effect of treatment upon the prevalence of malaria                       ... ... 88
Migration and malaria in Bombay	                                             ... ... 88
PART III.-THE PREVENTION OF MALARIA IN BOMBAY.	
CHAPTER I.-HISTORY OF MALARIA PREVENTION IN	
BOMBAY.	                                                                     ... ... 89
Section 1. The Past History of Malaria Prevention                            ... ... 89
2. The History of Malaria Prevention since 1908	                             ... ... 92
Commencement of Investigation of Malaria in Bombay                           ... ... 92
Action taken by the Municipality	                                     ... ... 98
Action taken by the City of Bombay Improvement Trust                         ... ... 99
Action taken by the Bombay Port Trust                                        ... ... 101
Action taken by the Railway Companies                                        ... ... 103
Section 3. Ad Interim Report of 1910                                         ... ... 104
Preventive measures against malaria-carrying anophelines.	             ... ... 104
General measures                                                             ... ... 104
Measures for cisterns                                                        ... ... 106
,, for wells                                                                  ... ... 106
,, for tanks, fountains, garden tubs                                         ... ... 107
,, for special breeding places	                                             ... ... 108
CHAPTER II.-RESULTS OF MALARIA PREVENTION IN	
BOMBAY	                                                                     ... ... 110
Section 1. Results up to 1909	                                             ... ... 110
" 2. Recent Results of Malaria Prevention	                             ... ... 112
Spleen rate	                                                             ... ... 112
Fever admissions                                                             ... ... 112
Mortality-Total and Seasonal	                                             ... ... 113
Child mortality	                                                             ... ... 115
Other results	                                                             ... ... 115
Protection of wells	                                                     ... ... 118
CHAPTER III.-THE LEGAL ASPECT OF MOSQUITO PREVEN-	
TION IN BOMBAY	                                                             ... ... 119
Section 1. Necessity for Legal Powers	                                     ... ... 119
,, 2. The City of Bombay Municipal Act	                                     ... ... 120
,, 3. The Administration of the Act in regard to Mosquito	
Prevention	                                                             ... ... 124
CHAPTER IV.-THE COST OF MOSQUITO PREVENTION	                             ... ... 128
Section 1. Cost of anti-mosquito work in other parts of the world	     ... ... 128
Ismailia	                                                             ... ... 128
Port Said	                                                             ... ... 128
Havana	                                                                     ... ... 128
Rio de Janeiro	                                                             ... ... 128
New Orleans	                                                             ... ... 128
Khartoum 	                                                             ... ... 129
Durban	                                                                     ... ... 129