INDEX. 



249 



measures against malaria in, 47 ; 



" Millions " in, 47 ; Stibasoma 



not in, 87; ticks in, 129, 175; 



Simulium in, 168 ; spraying 



cattle against ticks in, 174, 175; 



new TrigouotJietojius in, 187; fleas 



in, 175; flies in, 175. 

 Westphalia, blood sucking Diptera 



from, 100. 

 willistonii, Stibasoma. 

 wiUmori, Anopheles. 

 Wildebeest, 84, 

 Wind, carrying mosquitos from 



breeding jjlaces to towns, 5 ; 



detrimental to GJossina ■palpalis, 



123. 

 Wood Tick (see Dermacentor electus). 

 Woodlice, Phlebotomus larvae feed- 

 ing on excreta of, 165. 

 Wyeomyia, in Trinidad, 25 ; in 



Florida, 78. 

 Wyoming, swamp-fever in, 68. 



Xenopsylla, on rats in India, 95. 



„ astia, on Indian rats, 



38, 96 ; on rats in 



Ceylon, 38. 

 „ brasiliensis on Indian 



rats, 96. 

 „ cheojns, on rats in 



St. Lucia, 13; on 



rats in Samoa, 83 ; 

 on rats in India, 96 ; 

 on rats in St. Vin- 

 cent, 175; in Ma- 

 dras, 38 ; experi- 

 ments with insecti- 

 cides on, 62 ; trans- 

 mitting plague, 60, 

 61, 93 ; and " miti- 

 gated " plague, 115; 

 observations on lar- 

 vae of, 131 ; in 

 Malay States, 189. 



Yaws, 20 ; probably transmitted by 

 Musca doniestica in Samoa, 83. 



Yellow fever, control measures 

 against, 5 ; protection of India 

 from, 28 ; in Sierra Leone, 27 ; 

 in Gold Coast, 93 ; carried by 

 Stegomyiafasciafd, 109, 133, 160; 

 progi'ess and diti'usion throughout 

 the world, 189. 



Zanzibar, Fundulus from, suggested 

 to destroy mosquito larvae, 78. 



Zebra, 84. 



Zenoleum, against houseflies, 159. 



Zygosis heteropterus, parasite of 

 flies, 134. 



