20 



GENERAL INDEX. 



Sand-flies (see Phlebotomus). 



sanguineus, Rlupicephalus, 212, 319, 322, 

 324, 326. 



sarawaki, Ocideomyia, 259. 



Sarcopsyllidae, in N. Nigeria, 325, 346. 



Scale Insects, African, observations on, 

 85-104. 



scapularis, Leucomyia, 247, 256. 

 ,, Ochlerotatus, 247. 



scataphagoides, Mueidus, 246, 319, 345. 



semicinctum , Colpocephalum, 149. 



secedens, Tabanus, 182, 202, 320 346. 



Sena (Mozambique), cattle trypanoso- 

 miasis in vicinity of, 41. 



Senegal, French, possibility of diseases 

 being carried from or into, 195. 



senegalensis, Haplochilus, 137, note. 



sergenti, Culex, 265. 



Sierra Leone, outbreak of Yellow Fever 



in, 127 ; Culicinae in, 246, 259, 263, 265. 

 silacea, Chrysops, 166, 341-344 

 simillimus, Cyclops, 129, 130, 134. 

 simpsoni, Culex, 263. 

 SimuUum, in N. Nigeria, 317, 319, 324, 



326. 

 slmus, Rlupicephalus, 321, 322 324-326, 



328. 

 sinensis, Culex ager, var., 259. 

 „ Leucomyia, 259. 

 „ „ gelida, var., 259. 



Siphonaptera, new, from Nyasa, 269-272 ; 



in N. Nigeria, 322, 325, 346. 

 sjoestedti, Colpocephalum, 149. 



Sleeping Sickness, occurrence in Dow a 

 district, Nyasa, 112 ; in Gambia, 187, 

 note, 188, 205, 210, 214, 223 ; camps for, 

 224, 353, 355 ; method of minimizing 

 spread of, 225 ; not in Ilesha and 

 and Oshogbo districts, S. Nigeria, 276 ; 

 colour convention for, 297, 298 ; occur- 

 rence in N. Nigeria, 331-333, 337-339, 

 344, 352, 353 ; native names for, 347 ; 

 no case discovered in villages on Garara 

 River, 352 ; sporadic in Baro, 352, 353 ; 

 natives of W. Africa though immune 

 may act as reservoirs of, 353. 



socialis, Tahanus, 208, 209. 



snmaliensis, Culex, 261. 



Somaliland, British, occurrence of Stego- 

 myia fasciata in, 179 ; new Tabanus in, 

 176 ; Culex in, 261. 



spathipalpis, Theobaldia, 251. 



Sphaerococcus draperi, synonym of S. 

 marlatti, 104. 

 ,, maj'tofa', common in Lower 



Egypt, 104 ; remedy for, 

 104. 



sphinx, Papio, 206, 207, 223. 

 Spilo2)syllus cuniculi, 269. 

 spinosum, Menopon, 149. 

 spirocarpoides. Acacia, 116. 

 Sporozoa, found in Anophelines, 6. 

 Sporozoits in mosquitos, methods for 



detecting, 1-8. 

 Steamers and Launches, tsetse invading, 

 190, 198, 202, 204, 205, 207-210 ; effec- 

 tive mosquito proofing for, 226 ; mos- 

 quitos breed in " bilge water " on, 354. 

 Stcgomyia africana, bites only at dusk, 

 275. 

 „ fasciata, identification of larva 



of, 127 ; distribution of larva 

 at Lagos, 131, 135 ; number 

 of vessels in which were 

 found larvae of, 130 ; sea- 

 sonal variation of larvae of, 

 131 ; occurs in Sudan, 179 ; 

 may transmit virus of horse- 

 sickness, 179 ; V e c t o r of 

 dengue fever, 179 ; abun- 

 dant in coast towns of 

 British Somaliland, 179 ; 

 variations of, 179 ; in 

 Gambia, 188, 195 ; pale var. 

 common in Algeria, 248 ; 

 in N. Nigeria, 318, 319, 328, 

 351, 354, 355. 

 „ longipalpis, 268. 



„ pollinctor, synonym of S. longi- 



palpis, 268. 



stenopygus, Ahidoproctus, 148. 



Stethomyia, considered distinct, 141 ; 

 Neostethopheles, synonym of, 141. 



Stomoxys, cattle trypanosomiasis spread 

 by, 41 ; as a protozoal 

 carrier, 223 ; inoculation ex- 

 periments should be carried 

 out with, 323. 



„ calcitrans, empty pupae of in 



caves of Notabile, Malta, 48 ; 

 in Gambia, 197, 207, 208 ; in 

 N. Nigeria, 319-321, 323, 324, 

 327, 333, 346. 



„ nigra, in Gambia, 201, 202, 207, 

 208 ; common in Oshogbo, 

 S. Nigeria, 275 ; in N. Nigeria, 

 317, 319-321, 323, 324, 327, 

 346. 



