INDEX. 



275 



Soap, as a repellent for Dacus 



zonatus, 80 ; unstitisfactory against 



blow-flies, 156. 

 sociabilis, Psilohelea. 

 Soda, and nicotine against mange, 



164. 

 Sodium, effect of salts of, on mos- 

 quito larvae and pupae, 184, 185. 

 Sodium Arsenate, against insects 



breeding in excreta, 50. 

 Sodium Arsenite, in fonnula for dip 



against ticks, 84 ; in poison for 



screw-worm flies, 182. 

 Sodium Bicarbonate, in poison for 



ground squirrels. 111. 

 Sodium Carbonate, for softening 



water for cattle dips, 63, 70 ; in 



antidote for arsenical poisoning, 



141. 

 Sodium Cyanide, hydrocyanic acid 



gas generated from, 30, 163, 191. 

 Sodium Fluoride, against lice on 



poultry, 50 ; against cockroaches, 



100. 

 Sodium Salicylate, reaction of lice 



to, in blood of host, 65. 

 Sodium Silicate, against m.osquito 



larvae, 29. 

 Sodium Sulphate, useless against 



mosquito larvae, 29. 

 Solenopotes capillatus, on cattle in 



Germany and United States, 203. 

 Solenopsis geuiinata, in houses in 



Jamaica, 31. 

 sollicitans, Aedes {Ochlerotatus) . 

 solstitialis, Tabaniis. 

 Somaliland, Italian, trypanosomiasis 



of domestic animals in, 180. 

 soinalilense, Trypanosoma, 

 sonomensis, Tabanus. 

 sordida, Phormia (Protocalliphora) . 

 Sorex, Ceratophvllus sucinus on, in 



Rumania, 62. 

 spadix, CeratopJiyllus. 

 Spain, blood-parasites of lizards in, 



45 ; Hyalomma depressum in, 45 ; 



mosquitos and malaria in, 191 ; 



Palaeopsylla iberica in, 61 ; Phle- 



botomiis ariasi in, 88 ; Siiiiuliiim 



tristigatum in, 184. 

 Spalangia tnuscidaruni, parasitising 



Muscids in Australia, 156 ; para- 

 sitising Stomoxys calcitrans in 



France, 166. 

 Sparrows, Ceratophylliis fringillae 



infesting, in England, 47 ; Passe- 



romyia heterochaeta attacking 



nests of, in India, 103. 

 spathipalpis, Theobaldia (see T. 



longiareolata) . 

 spectabilis, Leptopsylla. 

 specular if rons, Simulium. 



spcgazzinii, Haemagogus (see H. 

 capricornii). 



spencer i, Aedes. 



Sphenisciis humboldti, Ovnithodorus 

 amblus on, in Peru, 40. 



Spiders, destroying Stomoxys calci- 

 trans in France, 166. 



Spilopsyllus cuniculi, hosts of, in 

 England, 47.' 



spinipes, Glyciphagus. 



Spinose Ear Tick (see Ovnithodorus 

 megnini) . 



spinosifrons, Styloconops {Acantho- 

 conops) . 



spinosipes, Leptoconops (see Stylo- 

 conops albiventris) . 



Spirochaeta duttoni, life-history of, 

 85. 



Spirochaeta gallinarum , not recorded 

 in Belgian Congo, 164. 



Spirochaeta icterohaemorrhagiae , pos- 

 sible connection of, with 3^ellow 

 fever in Senegal, 21 ; experiments 

 in insect transmission of, in Tunis, 

 49. 



Spirochaeta marchouxi, transmitted 

 to fowls by Argas persicus, 176. 



Spirochaeta phlebotomi, infesting 

 Phlebotomus perniciosus in France, 

 70. 



Spirochaeta theileri, Boophilus dcco- 

 loratus transmitting, in South 

 Africa, 83. 



Spirochaetes, method of transmis- 

 sion of, by Ornithodorus, 204 J 

 passage of, through coxal glands 

 of ticks, 213. 



Spirochaetosis, of poultry in Aus- 

 tralia, 132 ; of fowls in Algeria 

 and Morocco, 150 ; ticks trans- 

 mitting, in Gold Coast, 101 ; in 

 man in Senegal, 21. 



Spirogyra, larvae of StUobezzia spiro- 

 gyrae associated with, in Gold 

 Coast, 76. 



spirogyrae, StUobezzia. 



splendens, Trombicida. 



splendidum, A mbly omnia. 



Spurge (see Euphorbia). 



squamipennis , Aedomyia ; Phlebo- 

 tomus. 



squamiventris, Phlebotomus. 



squamosus, Anopheles {Cellia). 



Squirrels, Ceratophylliis sciurorum 

 infesting, in England, 47 ; 

 Lygaeid bug attacking, in India, 

 79. 



Squirrels, Ground (see Citellus). 



stabiilans, Muscina [Cyrtoneura] . 



Starch, in poison for ground 

 squirrels. 111 ; in repellent for 

 screw-worm, flies, 183. 



