INDEX 



519 



Wasp enemies of mosquitoes, 171 

 Wasp stings, remedy, 377 



Water beetles resistant to larvicide of Isth- 

 mian Canal Commission, 387 

 Water, brackish, breeding of yellow-fever 



mosquito therein, 289-290 

 Water charged with animal refuse and fscal 



matter, mosquitoes that breed therein, 



151 

 Watercress. (See Nasturtium officinale.) 

 Water, drinking, supposed purity of that in 



which Culex or Aedes larvae occur, 152 

 Water, fresh, mosquito larvae occurring 



therein 149-150 

 Water fowl, probable hosts of Culex erythro- 



thorax, 107 

 Water from snows, habits of mosquito larvas 



found therein, 146 

 Water in broken ends of bamboo, mosquitoes 



breeding therein, 149 

 Water in bromeliads, habits of mosquito 



larvEe found therein, 147-148 

 Water in cocoanut and cacao husks, mosqui- 

 toes breeding therein, 149 

 W^ater in crab-holes, mosquito larvaa found 



therein, 149 

 Water in hollow trees, habits of mosquito 



larvae found therein, 147 

 Water in salt-marshes, habits of mosquito 



larvae found therein, 147 

 Water isolated by leaves of reeds, mosquitoes 



breeding therein, 149 

 Water, permanent bodies, habits of mosquito 



larvae occurring therein, 147 

 Water plants deterrent to mosquito larvae, 



417-421 

 Water, saline, mosquito larvae occurring 



therein, 149-150 

 Water, spring, mosquito larva living therein, 



154 

 Water, temporary deposits on arid or semi- 

 arid plains, habits of larvae found therein, 



146-147 

 Watermelon, food of mosquitoes, 108 

 Weaver, A. De P., on attraction of mosquitoes 



to sounds, 116-117 

 Weeks, H. C, on value of drainage work, 335- 



336 

 Whip-poor-will (Antrosfomus vociferus), en- 

 emy of mosquitoes, 178 

 "Whirligig beetles." (See Gyrinidte.) 

 White, Gilbert, on swarming habits of Ne- 



mocera, 125 

 Whitney, Milton, on value of reclaimed 



swamp land, 331-332 

 Widney, J. P., on irrigation and malaria, 239- 



240 

 WiLLcocKS, F. C, on aerial dances of male 



mosquitoes, 129 

 WiLLisTON on palpi of Diptera, 51 

 Willow catkins frequented by Acdes spenceri, 



112 

 Willow catkins frequented by mosquitoes. 111 

 Wing processes, notal, of mesothorax of mos- 

 quito, 58 

 Wing processes, pleural, of mesothorax of 



mosquito, 58 

 Wing processes, pleural, of metathorax of 



mosquito, 59 



Wing, shape, of mosquito, 62 



Wing veins of mosquito, 60-61 



Wing vestiture of mosquito, 72-73 



Wings of mosquito, 60-62 



Wings of pupa of mosquito, 101 



Wind, influence on dispersal of mosquitoes, 

 339-345 



Wolffta arhiza (see also Lemna arrJiiza). 



Wolffia arhiza, deterrent to mosquito larvae, 

 419-420 



Weight, J. 0., on the swamp and overflowed 

 lands of the United States, 333-335 



Wyeomyia, food of larvae, 151 



Wyeomyia, habits of larvte, 149 



Wyeomyia larvae, mode of feeding, 153 



Wyeomyia larvae, where to find them, 184 



Wyeoviyia, mouth-parts of larva, 96 



Wyeomyia, species from Trinidad and Pan- 

 ama, eggs and their disposal, 145 



Wyeomyia circumcincta, claws, 66 



Wyeomyia circumcincta, respiratory trum- 

 pets of pupa, 103 



Wyeomyia codiocampa, abdomen, shape ia 

 female, 68 



Wyeomyia eloisa, male genitalia, 70 



Wyeomyia smithii, adaptation of larvae to 

 single habitat — the leaves of the pitcher- 

 plant, 148 



Wyeomyia smithii, claws, 66 



Wyeomyia smithii eggs and their disposal, 

 145 



Wyeomyia smithii, food of larvae, 151 



Wyeomyia smithii, hibernation of larva, 120, 

 154 



Wyeomyia smithii not a blood-sucker, 110 



Wyeomyia trinidadensis, claws, 66 



Wyman, Walter, letter to L. O. Howard on 

 time of activity of yellow-fever mosquito, 

 268 



Yeast, Myxococcidium stegomyia', and yellow 



fever, 256-257 

 Yeasts, their role in the bodies of mosquitoes, 



158-159 

 Yellow fever, 241-303 

 Yellow fever and its transmission, work of 



Marchoux and Simond, 246-252 

 Yellow fever and mosquitoes in Panama, 431- 



432 

 Yellow fever and mosquitoes in Rio de Jan- 

 eiro, 432-435 

 Yellow fever and mosquitoes in Vera Cruz 



and Mexico generally, 435-436 

 Yellow fever, causative organism, search 



therefor, 255-258 

 Yellow fever, deaths in New Orleans, 1847- 



1905, 254 

 Yellow fever, deaths in Rio de Janeiro, 1872 



to August, 1909, 434-435 

 Yellow fever, deaths in United States in dif- 

 ferent years. 325-326 

 Yellow fever in Europe, 301-303 

 Yellow fever, Laredo outbreak of 1903, 252- 



253 

 Yellow fever, loss therefrom, 325-326 

 Yellow fever, micro-organism producing it 



still undiscovered, probably too minute 



to be seen by microscope, 245 



