230 



INDEX. 



piriformis, Ornithodorus. 

 Piroplasma bigeminum, causing red- 

 water of cattle in America, 130 ; 

 infecting cattle in Australia, 12 ; 

 species distinct from, infecting 

 cattle in Italy, 126 ; in cattle in 

 Panama, 166 ; causal agent of 

 dengue resembling, 7. 

 Piroplasma bovis {divergens), 125 ; 

 causal agent of piroplasniosis of 

 cattle in Europe, 130. 



Piroplasma divergens (see P. bovis). 



PirOplasmosis, of cattle in Holland, 

 130 ; of cattle in Italy, 126 ; 

 of cattle in Mauritius, 18 ; of 

 cattle in Nyasaland, 47 ; of 

 cattle in Panama, 166 ; of cattle 

 in Switzerland, 125 ; of dogs in 

 Uganda, 109. 



Pistio stratiotes, relation of mos- 

 quito larvae to, 3, 4, 22, 127. 



Plague, measures against, in Aus- 

 tralia, 81 ; cases of, imported 

 into Britain, 15 ; measures 

 against, in Du^tch East Indies, 

 39 ; measures against, in New 

 Orleans, 96 ; in Northern Rho- 

 desia, 141 ; and fleas, 81, 155, 

 193 ; relation of rats to, 141, 

 192. 



Plague Flea (see Xenopsylla cheopis). 



^langens, Chrysopa. 



Plasmodium mesnili, infesting a 

 snake in Gold Coast, 132. 



Plasmodium relictum, effect of cold 

 on development of, in mos- 

 quitos, 122. 



Plasmodium vivax (Benign Tertian 

 Malaria), Anopheles plumbeus 

 experimentally infected with, 160. 



Plaster of Paris, in formula for 

 protecting horses from flies, 158. 



plumbeus. Anopheles. 



podagrica, Ascia. 



podostyla, Stilbometopa. 



po icilia, F inlay a. 



poliochros, Aedes. 



polita, Microchrysa. 



Poliomyelitis, probably not trans- 

 mitted by insects in Australia, 

 187. 



Pollenia, 40. 



PoJUnia rudis, hibernating in 

 houses in Britain, 71, 191 ; 

 seasonal prevalence of, in Mary- 

 land, 10. 



Pollenia stygia, infesting' sheep 4n 

 Australia, lOO, 187 ; irifestihg 

 sheep in New Zealand, 107 ; 

 parasitised by Nason/ia, "brevi- 

 cortiis, 100. . ' , , 



Pollenia villosay infesting shoep 

 in Aiistlalia, 124. ' 



Porcupine, host oi Bermacentor 

 venihstus in UvS:A., 83; 



Porto Rico, measures against Ly- 



^ierosia irritans in, 186 ; dipping 



against ticks on cattle in, 52. 



Portugal, Phlebotomus in, 30. 



Portuguese Guinea, trypanosome 



found in blood of toad in, 153. 



posticata, Janthinosoma. 



Potassium Cyanide, fumigation 

 with, against bed-bugs, 20 ; in 

 solution against mosquito larvae, 

 126. 



Potassium Ferrocyanide, ineffec- 

 tive in emulsion against mos- 

 quito larvae, 2. 



Potassium Permanganate, and for- 

 malin against flies, 67. 



Potassium Poly sulphide, against 

 horse mange, 166, 167. 



Potassium Sulphide, for disinfecting 

 poultry houses, 144. 



Poultry Tick (see Argas persicus). 



■praegrandis, Choeromyia. 



Prairie Dog, experimental infesta- 

 tion of, with Cuterebra tenebrosa, 

 128. 



Preis Nocard Bacillus, associated 

 with lymphangitis in domestic 

 animals in East Africa, 7. 



prodotes, Aedes. 



prolepidis, Wyeomyia. 



Prosimulium borealis, sp. n., in 

 Northern Canada, 196. 



proteusX 19, Bacterium. 



prowazeM, Bichettsia. 



Psamomys algirus, new flea on, in 

 Tunisia, 151. 



psarophanes, Silvius. 



Pseudomyiasis, possible insect car- 

 riers of, in Madagascar, 28. 



Pseudolfersia inMuris, on vulture in 

 British Guiana, 129. 



psendomaculipes. Anopheles (Arri- 

 balzagia). 



pseudopictus. Anopheles. 



pseudopunctipennis, Anopheles. 



Pseudopyrellia cornicina, seasonal 

 prevalence of, in Maryland, 11. 



Pseudoslusea cairnsensis, in Queens- 

 land, 139. 



Pseudoslcusea multiplex, in Australia 

 176. 



pseudotaeniatus, Ochlerotatus (Ilule- 

 coeteomyia). 



Psorophora, percentage of, in Pana- 

 ma Caftal Zone, 127. 



Psorophora elites, sp. n., in Texas, 

 22. 



Psorophora discolor, habits of larva 

 of, in U.S.A., 22. 



Psorophora oblita (see Janthinosoma 

 postieata). 



Psoroptes, 39 ; eunsing mange in 

 horses, 39, 183. 



Psoroptes communis bovis, causing 

 mange in cattle in U.S.A., 104. 



