INDEX. 



307 



vorax, Lutzia ; Simulium. 

 vulpes, Pelecorhynchus. 

 vulpis, Sar copies scabiei. 



w 



w-alba, Aedes [Stegomyia) . 

 wahlgyeni, Culex (see Aedes geni- 



culatus) . 

 walkeri, Anopheles ; Phlebotomus. 

 Walnut Leaves, in lotion against 



Hypoderma, 139. 

 Warble Flies (see Hypoderma) . 

 watasei, Aedes [Finlaya). 

 Watercress, mosquito larvae among, 



66. 

 waterhousei, Aedes (see A. macu- 



latus) . 

 Water Lettuce (see Pistia stratiotes) . 

 Watson Trap, for mosquitos, 80. 

 Weevils, apparently associated with 



disease resembling typhus in Aus- 

 tralia, 94. 

 wentwofthi, Tabanus. 

 White Arsenic (see Arsenic Trioxide) . 

 White-marked Tussock Moth (see 



Hemerocampa leucostigma) . 

 willmori. Anopheles, 

 winnertzi, Atrichopogon. 

 Wohlfahrtia magnifica, infesting man, 



237. 

 Wohlfahrtia vigil, infesting man, in 



Ontario. 227. 

 wolhynica, Rickettsia (see R. pedi- 



culi) . 

 woodi, Acarapis ; Aedes [Stegomyia) . 

 Wood-tar Oil, against lice, 31. 

 Wyeomyia, in Oriental Region, 229. 

 Wyeoniyia bodkini, sp. n., in British 



Guiana, 153. 

 Wyeomyia flavifacies, sp. n., in 



British Guiana, 153. 

 Wyeomyia (Phoniomyia) fuscipes, sp. 



n., in Paraguay, 153. 

 Wyeomyia modalma, sp. n., in 



Panama, 132. 

 Wyeomyia negrensis, sp. n., breeding 



in wild bananas in Brazil, 234. 

 Wyeomyia smithi, breeding-places of, 



in New York, 204. 

 Wyeomyia [Shropshirea) ypsipola, 



sp. n., breeding-places of, in 



Panama, 132. 



X 



xanthina, Aphiochaeta. 



xanthoaspidum, Atrichopogon. 



Xenopsylla aequisetosa, relation of, 

 to plague in Gold Coast, 226. 



Xenopsylla astia, relation of, to 

 plague in India, 226. 



Xenopsylla brasiliensis, in East 

 Africa, 11. 



Xenopsylla (Loemopsylla) cheopis, in 

 East Africa, 11 ; on rats in 

 Austraha, 144 ; relation of, to 

 plague in India and Gold Coast, 

 226 ; and plague in Senegal, 52, 

 96 ; and plague in U.S.A., 44. 



xeri, Trypanosoma. 



Xerus erythropus (Ground Squirrel), 

 trypanosomes in, in West Africa, 

 175. 



Y 



Yellow Fever, measures against, in 

 Central and South America, 3, 31, 

 130, 158, 177 ; m Mexico, 177 ; 

 in Porto Rico, 59 ; possibility of 

 introduction of, into Far Eastern 

 ports, 103 ; transmission of, by 

 Aedes argenteus, 3, 31, 59, 130, 

 158, 177. 



Yoshida's Medium, protozoa culti- 

 vated in, 218. 



ypsipola, Wyeomyia [Shropshirea). 



zammitti, Aedes. 



Zanzibar, new Simuliids in, 106. 



Zebra, susceptible to trypanosomia- 

 sis when domesticated, 70. 



zebrae, Gastrophilus pecorum (see G. 

 pecorum) . 



Zeugnomyia, in Oriental Region, 229. 



Zululand, bionomics and control of 

 tsetse-flies in, 132. 



