GENERAL INDEX. 23 
Culex and allied genera in, 245, 248, 
250, 252, 253, 256, 259, 263-265 ; Chry- 
sops centurionis, n. sp. from, 164; Hip- 
pobosca hirsuta, n. sp. from, 169 ; 
Olfersia dukei, n. sp. from, 171; fish 
preying on mosquito larvae in, 182 ; 
Bembex preying on Tabanidae in, 182. 
ugandae, Ceroplastes, 94, 95. 
umbrosa, Anopheles, 142. 
5 Uyzomyia, 268, 319, 321, 328, 
345, 
unicolor, Myzomyia, 268. 
uniformis, Culiciomyia, 255. 
5 Mansonia, 253. 
5 Mansonioides, 253. 
unitaeniatus, Tabanus, 111, 112. 
univitiatus, Culex, 250, 260, 262, 345. 
Uranotaeniinae, 218, 241. 
Valetta, searched for breeding places of 
Phlebotomus, 48, 49; Phlebotomus, in 
cellars and prison cells of, 51. 
variegatum, Amblyomma, 197, 319, 325, 
0. 
varius, Nirmus, 147. 
versicolor, Hippocentrum, 275, 319, 320, 
324, 325, 327, 330, 346. 
vigilax, Culex, 263, 
»  Ochlerotatus, 250. 
Vinsonia, 97. 
vinsonioides, Ceroplastes, sp. u., 96. 
violaceus, Taeniorhynchus, 252. 
viridis, Culex, 263. 
vittata, Haematopota, 111. 
vituli, Linognathus, 146. 
vivax, Trypanosoma, 353. 
vocifer, Haliaétus, 172. 
vulgatus, Nirmus, 148. 
Waterbuck, in relation to Glossina mor- 
sitans, 43-46 ; Hippobosca infesting, 
169-172. 
Water supply, danger of wells for, 197, 
205, 206, 331, 333; Glossina palpalis 
swarming in N. Nigeria near, 343 ; 
clearing to be done round wells and 
springs, 344. 
watsoni, Anopheles, 143, 330. 
Websteriella (see Parlatoria). 
wellmani, Glossina palpalis, var., 23. 
wellmanii, Chrysops, 167, 168. 
Wells, danger of, 197, 205, 206, 331, 333. 
wilcocksii, Grabhamia, 248, 
Yellow fever, outbreak in Sierra Leone 
and Gold Coast, 127; in Bathurst, 
Gambia, 188, 195, 224; not reported 
from N. Nigeria, 351. 
Zambesi river, fly areas of, 41. 
Zambesia district, considerable fly belts in, 
zelineri, Culex, 266. 
zizyphi, Parlatoria, 91. 
zombaensis, Culex, 264. 
Zungeru (N. Nigeria), importance of, 
304 ; biting insects and ticks in, 321, 
322 ; tsetses nearly always present in, 
322 ; clearing required near, 322 ; try- 
panosomias!s common amongst horses 
in, 323; piroplasmosis in dogs in, 323, 
354; game near, 323; trypanosomes 
found in pony at, 324; recommenda- 
tions with regard to, 355. 
Zygotes in mosquitos, methods for detect- 
ing, 1-8. 
