564 



INDEX 



mansoni, 261-262. 



proliferum, 262-263. 

 Spinose ear tick, see Otiobius megnini. 

 Spiny-headed worms, see Acantho- 



cephala. 

 Spiracles, of insects, 328; of ticks, 



354. 

 Spirochceta, see Spirochaetes. 



balanitidis, 41. 



bronchialis, transmission, 40, 41; 

 cause of bronchitis, 71. 



buccalis, 40; pathogenicity, 70-71. 



carteri, 42; in bedbugs, 378. 



dentium, 40. 



duttoni, 42. 



exanthematotyphi, 73. 



icterohcemorrhagice, 41; 66-67; mode 

 of infection, 67. 



morsus muris, 69. 



nodosa, see Sp. icterohcemorrhagice. 



novyi, 42. 



obermeieri, see Sp. recurrentis. 



orientalis, 41. 



pallida, discovery, 7, 41, 49, 62. 



pertenuis, 41, 63. 



recurrentis, discovery, 7, 43; de- 

 scription, 62; distribution in 

 body, 52. 



refringens, 52. 



schaudinni, 41, 72. 



vincenti, 41. 



Spirochaetes, cultivation, 9; 38-73; 

 relationships, 38; multiplica- 

 tion, 39; granule shedding, 39; 

 and disease, 40-42, 73; localiza- 

 tion, 41; and relapsing fever, 

 42-48; and syphilis, 48-62; and 

 yaws, 63-65; and infectious 

 jaundice, 65-69; and rat-bite 

 fever, 69-70; and Vincent's 

 angina, 70; and noma, 70; and 

 balanitis, 70; and mal-de-boca, 

 70; and bronchitis, 71; and 

 tropical ulcer, 72; and ulcerat- 

 ing granuloma, 72-73; trans- 

 mission by ticks, 360. 

 Spleen rate, and prevalence of ma- 

 laria, 161. 



Sporocyst, 208. 



Sporozoa, 35, 36; and human disease, 

 149, 168. 



Spotted fever, relation of ticks to, 

 8, 190, 361-363; and Piroplas- 

 mata, 168; 189-191; distribu- 

 tion, 189; parasite of, 190; 

 course of, 190; reservoirs, 190- 

 191; control, 191. 



Spotted fever group of diseases, 189. 



Spotted fever tick, see Dermacentor 

 venustus. 



Squirrels, hosts of Hormorhynchus 

 clarki, 285; hosts of immature 

 stages of Dermacentor venustus, 

 362; and plague, 411, 413; fleas, 

 418. 



Stable-flies, see Stomoxys. 



STANLEY, and spread of sleeping 

 sickness, 93. 



Staten Island, reduction of malaria, 

 166. 



STAUBLI, C., 290. 



STAUFFACHER, H., 76, 195. 



Stegomyia, see Aedes. 

 fasciatus, see Aedes calopus. 



STEPHENS, J. W. W., 282. 



Stephensport, quininization, 164-165. 



Sterilization, of blood against tryp- 

 anosomes, 107. 



STEWART, F. H., 274, 275. 



Sticktight flea, see Echidnophaga gal- 

 linacea, 420. 



Stigmal plates, of maggots, 509-510. 



STILES, C. W., 116, 125, 242, 252, 

 254, 266, 296, 297, 400. 



STOKES, J. H., 483. 



Stomoxys, transmission of Trypano- 

 soma gambiense, 98, 507; rela- 

 tion to Onchocerca volvulus, 311; 

 mouthparts, 327, 464, 505; 

 transmission of anthrax, 488, 

 507; 604-608; general descrip- 

 tion, 504-505; life history, 505- 

 506; and disease, 507; control, 

 507-508. 



calcitrans, 504; and infantile 

 paralysis, 507. 



