xiv CONTENTS 



CHAPTER PAOS 



XX. Louse Borne Diseases 286 



I. Direct Effect of Lovse Attack 286 



1. Types of Pediculosis Corporis 286 



2. Types of Pediculosis Capitis 287 



3. Types of Phthiriasis 287 



4. Effects of Attack of Other Lice 288 



IL Transmission of Diseases by Lice 289 



1. Diseases of Plant Origin 289 



Thallophyta: Fungi: Ascomycetes: Gymnoasceae 289 



Thallophyta: Fungi: Hyphomycetes 289 



Thallophyta: Fungi: Schizomycetes: Coccace£e 289 



Thallophyta: Fungi: Schizomycetes: Bacteriacese .... 290 



Summary of Plant-Caused Diseases 290 



2. Diseases of Unknown or Uncertain Origin 291 



3. Diseases of Animal Origin 294 



Protozoa 294 



Mastigophora : Binucleata: Trypanosomidse 294 



Mastigophora: Binucleata: Leptomonidse 294 



Mastigophora: Spirochaetacea: Spirochaetidse 295 



Telosporidia: Haemogregarinida : Haemogregarinidae . . . 296 



Metazoa 297 



Platyhelniia: Cestoda: Cyclophyllidea: Tseniidse .... 297 



Bibliography 297 



XXI. The Life History of Human Lice 301 



References .311 



XXn. The Control of Human Lice 312 



The RXvages of Lice 312 



Reservoirs of Louse Breeding 313 



Control Measures 314 



Control of Lice on the Body 316 



Control of Crab Louse 310 



Control of Head Louse 316 



Control of Body Louse 317 



Control of Lice in Clothing 319 



1. Laundry 319 



2. Dry Cleaning 320 



3. Steam Sterilization 321 



4. Hot Air Delousing 324 



5. Fumigation 324 



6. Storage 326 



7. Impromptu Deloucing Arrangements 326 



Control OF Lice in Living Quarters 327 



Control of Lice in Hospitals 328 



Control of Lice in Hospitals 328 



Louse-Proof Garments for Medical Attendants, etc 328 



Bibliography 328 



XXIII. Lice Which Affect Domestic Animals 330 



Part 1. Cattle Lice and Their Control 330 



Sucking Lice 331 



Biting Lice 332 



Methods of Study of Life History 333 



Control Measures 334 



Oils 334 



Sprays 335 



Miscellaneous Remedies 337 



Time for the Application of Control Measures 338 



Skin Injuiies 338 



