INDEX 



275 



Settlements, sites for, 249 



Sexual development of malarial 

 parasites, 20 



Ships, infectivity of, in relaps- 

 ing fever, IQQ 



, Stegomyia fas data on, 127 



, yellow fever on, 115, 124, 

 127 



Simulidae, 242 



Si-phona-ptera, 241 



Skin manifestations in kala- 



azar, 152, 159 

 , in trypanosomiasis, 135 



Sleeping sickness, biting flies 



causing, 147 

 , cerebral symptoms in, 



i37 



, clinical history of, 133 



, complications of, 137 



, diagnosis of, 139 



, etiology of, 143 



, geographical distribu- 

 tion, 131 



, nursing in, 143 



, pathological anatomy, 

 140 



, prognosis of, 140 



, prophylaxis against, 149 



, rash in, 135 



, treatment of, 132, 140, 

 150 



. See also Trypanosomes 

 Soamin in sleeping sickness, 132 

 Spirillum anserini, 196 



- carteri, 210 



duttoni. See S^irochseta dut- 



toni 



gallinarum, 196 



- novyi, 210 



- obermeieri, 191, 196, 210 

 , discovery of, 262 



recurrentis, 210 



- tkeileri, 196 



Spirillum fever. See Relapsing 

 fever 



Spirochaeta duttoni, 210 



obermeieri, 202 



- pallida, 197 



, causal organism of syphi- 

 lis, 219 

 , date of discovery, 262 



- -pertenuis, 197 



, association with yaws, 



220 



, date of discovery, 262 

 recurrentis, 194 

 , discovery of, 262 



- vincenti, 197 



. See also Granuloma, Syphi- 

 lis, Yaws 



Spirochaetes, classed as proto- 

 zoa, 198 



- found in granuloma, 224 



- in tissues, diseases associated 



with, 211 



Spleen, enlargement in kala- 

 azar, 152, 154, 156, 158, 163 



- in malaria, 52, 83, 85 



, in relapsing fever, 188, 



192 



Splenomegaly. See Kala-azar 

 ; Sporogony, 20, 26 

 j Sporozoa, 3, 9 

 , classification of, 10 

 , development and life-his- 

 tory, 4 



Sporozoites, 4, 6 

 Sporulation, 20 

 Spotted fever, 113 

 Stegomyia, 74 



- fasciata, 122, 130 



, breeding - places and 

 habits of, 253, 256 



- on board ship, 127 



, yellow fever absent after 

 extermination of, 125 



scutellaris, 258 



Stomach, effects of quinine on, 



54 



Subtertian malarial fever, 40-47 

 , parasites of, 22, 26 



