5G4 



INDEX 



mansorii. 251 252. 



proliferuiii, 252 253. 

 Spinose car tick, sec Otiohius mignini. 

 Spinj'-hoaded worms, see Acantho- 



cophala. 

 Spiracles, of insects, 328; of ticks, 



354. 

 Spirochato, see Spirochajtes. 



halanitidis, 41. 



bronchialis, transmission, 40, 41; 

 cause of bronchitis, 71. 



huccalis, 40; pathogenicity, 70-71. 



carteri, 42; in bedbugs, 378. 



(Icntiutn, 40. 



duttoni, 42. 



exanihematotyphi, 73. 



icterohannorrhagicr, 41 ; 65-67; mode 

 of infection, 67. 



morsus muris, 69. 



nodosa, see Sp. icterohcemorrhagice. 



novyi, 42. 



obermHeri, see Sp. recurrentis. 



orierUcdis, 41. 



prdlidn, discover^', 7, 41, 49, 52. 



pertenuis, 41, 63. 



recurrentis, discovery, 7, 43; de- 

 scription, 52; distribution in 

 body, 52. 



rrfringens, 52. 



schaudinni, 41, 72. 



vincenti, 41. 

 Spirochajtes, 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, 09-70; and Vincent's 

 angina, 70; and noma, 70; and 

 balanitis, 70; and mal-de-boca, 

 70; and bronchitis, 71; and 

 tropical iilcr-r, 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 di.sease, 

 149, 168. 



Spotted fever, relation of ticks to, 

 8, 190, 361-363; and Piroplas- 

 mata, 168; 189-191; clLstribu- 

 tion, 189; para-site of, 190; 

 course of, 190; reservoirs, 190- 

 191; control, 191. 



Spotted fever group of diseases, 189. 



Spotted fever tick, see Dermaccnlor 

 venustus. 



Squirrels, hosts of Hormorhynchus 

 darki, 285; hosts of immature 

 stages of Dernmcenlor 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 Aides, 

 fasciatus, sec Aides calopus. 



Stephens, J. W. W., 282. 



Stephensport , quininization, 164-165. 



Sterilization, of blood against trj-p- 

 anosomes, 107. 



Stewart, F. H., 274, 275. 



Sticktight flea, .see Echidnophaga gal- 

 Unacea, 420. 



Stigmal plates, of maggots, 509-510. 



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

 254, 266, 296, 297, 400. 



Stokes, J. H., 483. 



Stomoxys, transmii5sion of Trypano- 

 soma gamhiensc, 98, 507; rela- 

 tion to Onchocerca folmdus, 311; 

 moutlij)arts, 327, 464, 505; 

 transmission of anthrax, 488, 

 507; 604 508; general de.'^crip- 

 tion, .")()1 -.")().'); life history, ."jOo- 

 506; and disease, 507; control, 

 507-508. 

 calcitran.'^, .')04; and infantile 

 paralysis, Ml. 



