CONTENTS XV 



CHAPTEB PAGE 



Part 2. Lice Affecting Chickens, Hogs, Goats, Sheep, Horses, and 



Other Animals 339 



Lice Infesting Domestic Fowls .... . . . 339 



Lice Infesting Rabbits, Cats and Dogs .... . 343 



The Hog Louse 34.1 



Lice Attacking Sheep . . 345 



Biting and Sucking Lice of Goats 346 



Lice of the Horse . . 347 



Important Bibliographical References . 348 



XXIV. Diseases Carried by Fleas 350 



Plant Organisms Transmitted by Fleas 350 



Thallophyta: Fungi: Schizomycetes: Bacteriacese 350 



Animal Organisms Transmitted by Fleas . . ... .... 352 



Protozoa 352 



Mastigophora: Binucleata: Trypanosomidse . . .... 352 



Mastigophora: Binucleata: Leptomonidse ... ... 354 



Mastigophora: Spirochaetacea: Spirochaetidae 355 



Telosporidia : Gregarinida: Agrippinidse 355 



.Telosporidia: Hsemogregarinlda: Hsemogregarinidee 355 



Metazoa 355 



Platyhelmia: Cestoidea: Cyclophillidea : Tseniidse . . .... 355 



Platyhelmia: Cestoidea: Cyclophillidea: Hymenolepididse .... 356 



Nemathelminthes : Nematoda: Spiruridse 357 



Nemathelminthes : Nematoda: Filariidae ... . .... 357 



Summary .... 357 



References ... .... 358 



XXV. The Life History and Control of Fleas . . . .... 360 



Factors Influencing Abundance of Fleas .... 366 



Control op Fleas 367 



List of References 371 



Notes on the Chigoe, Debmatophilus Penetrans . . . . . 373 



KXVI. Cockroaches 374 



Biology ... 375 



Key to the Four Principal Household Cockroaches 376 



Blatta orientalis (Linnaeus) 376 



Blattella germanica (Linnaeus) , Caudell 377 



Periplaneta americana (Linnaeus) . . 378 



Periplaneta australasicB (Fabricius) Burtneister ... .... 380 



Remedies 380 



Fumigation . 380 



Hydrocyanic Acid Gas ... . 380 



Carbon Bisulphide . . 380 



Pyrethrum Powder .... . ... ... 381 



Sulphur 381 



Poisons 381 



Sodium Fluoride 381 



Borax 381 



Pyrethrum Powder 382 



Phosphorus 382 



Sulphur 382 



Castor Oil 382 



Traps 382 



Enemies 382 



XXVII. Diseases Transmitted by the Cockroach 383 



Plant Organisms 383 



Thallophyta: Fungi: Coccaceae 383 



Thallophyta: Fungi: Bacteriaceae 384 



Thallophyta: Fungi: Spirallaceae 387 



