280 



INDEX. 



w. 



walkeri, Anopheles ; rhlehotomus. 



Wallaby, new genus of beetles 

 found on, in Australia, 215. 



Warble Flies (see Hypoderina). 



Water Lettuce (see Pistia strut iotes) . ' 



tvatfrston i. Poly pi ax. 



Watkins-Pitcliford Arsenical Solu- 

 tion, 109. 



'ivatti, Citle.v. 



wdlmani, Glossina palpalis. 



Whale Oil, in formula for treating 

 mange on camels, 131. 



tvillcocksi, Grabhaiiiia (see Ochlevo- 

 tatus caspius). 



ivillmori, A nophcles. 



Wolossjatik, disease known as, 

 believed to be due to Gastrophilus, 

 150. 



Wyconivia alhosquamata, sp. n., 

 breeding places of, in Dutch 

 Guiana, 32. 



Wveoniyia nphobeuia, breeding places 

 of, in Dutch Guiana, 32. 



U'yeomyia jallax, sp. n., breeding 

 places of, in Dutch Guiana, 32. 



Wyeomvia melanopus, sp. n., breed- 

 ing places of, in Panama, 32. 



Wveoniyia occulta, sp. n., lireeding 

 places of, in Dutch Guiana, 32. 



Wveoniyia roloncefta, sp. n., breed- 

 ing places of, in Panama, 32. 



Wyeomyia splendida, sp. n., breed- 

 ing places of, in Dutch G.uiana, 

 32. 



X. 



Xenopsylla cheopis (Rat Flea, Plague 

 Flea), measures against, in 

 California, 158 ; conveying larva 

 of Hymenolcpis diniiniita, 85 ; 

 and disease in man,* 3. 



xivvlis, Citlex {Choeroporpa). 



Xylol, against Pliiliints pubis. 211. 



Y 



vbaniiis, Citlex {Choeroporpa). 



Yellow Fever, in Ecuador, 136 ; 

 incidence of, in Gold Coast, 12 ; 

 not present in French Guiana, 

 110 ; danger of introduction of, 

 into Oriental countries, 113 ; 

 and mosquitos, 79, 95, 102, 113, 

 189 ; spontaneous elimination 

 of, from endemic centres, 95 ; 

 etiology of, 78 ; identity of 

 organism causing, 79, 128, 136. 



yezoensis, Corizoneura. 



z. 



ZannicheUia palustris, favouring the 

 breeding of Anophelines in Italy, 

 222. . 



Zanzibar, mosquitos and malaria in, 



112. 



Zebu, Trypanosoma cazalboui 

 probably introduced into Vene- 

 zuela in, 147. 



zonata, Pangonia. 



