IV TABLE OF CONTENTS 



Page. 



Natural enemies 156 



Plants 156 



Fungi and bacteria 157 



Animals 159 



Protozoa 159 



Other lower animals 161 



Vermes 162 



Insect enemies 164 



Mites 172 



Spiders 175 



Other arthropods 176 



Batrachians 176 



Reptiles 177 



Birds 177 



Bats 179 



Collecting, mounting, and rearing 180 



Collecting adults 180 



Mounting adults 180 



Sending by mail or express 181 



Rearing 181 



Slide mounts 183 



Collecting larvae 184 



Collecting eggs 185 



The relation of mosquitoes to man 186 



The carriage of disease by mosquitoes 186 



Early ideas 186 



Malaria 188 



The malarial organisms 188 



The life-cycle of the malarial organisms 189 



Scientific demonstration of the transmission of malaria 194 



The mosquitoes that carry malaria 202 



The habits of Anopheles mosquitoes 204 



Resting position of adult Anopheles 205 



Semi-domestic and wild species 205 



Hibernation and aestivation 206 



Feeding habits of Anopheles 207 



Nocturnal and diurnal habits 209 



The note of Anopheles 211 



Distance of flight 212 



The behavior of Anopheles towards certain colors 216 



Breeding places of Anopheles 218 



Anopheles breeding in sea-water 224 



Habits and food of the larvae of Anopheles 229 



Resistance to desiccation 231 



Length of early stages 231 



Number of generations 232 



Geographic distribution of malaria 232 



The appearance and disappearance of malaria 236 



Decrease of malaria following settlement and civilization 236 



Increase of malaria due to civilization and its concomitants 239 



Yellow fever 241 



The scientific demonstration of the carriage of yellow fever by mos- 

 quitoes 241 



Finlay's work 242 



Dr. A. C. Smith's experiment 242 



Demonstrations by the U. S. Army Commission 243 



Later work in Cuba by Guiteras and John W. Ross 245 



Work done in Brazil by the Sao Paulo and the French Com- 

 missions 245 



The Laredo outbreak of 1903 252 



The New Orleans epidemic of 1905 253 



The death of Reed, Carroll, and Lazear 255 



The search for the causative organism 255 



The yellow-fever mosquito 258 



Domesticity of the yellow-fever mosquito 258 



Feeding habits 259 



