Contents ix 



CHAPTER IX 



ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC PRO- 

 TOZOA 212-229 



Insects and trypanosomiases. 



Fleas and lice as carriers of Trypanosoma lewisi. 



Tsetse-flies and nagana. 



Tsetse-flies and sleeping sickness in man. 



South American trypanosomiasis. 



Leishmanioses and insects. 

 Ticks and diseases of man and animals. 



Cattle tick and Texas fever. 



Ticks and Rocky Mountain Spotted fever of man. 



CHAPTER X 



ARTHROPODS AS ESSENTIAL HOSTS OF PATHOGENIC PROTO- 

 ZOA (Continued) 230-240 



Arthropods and Spirochaetoses of man and animals. 



African relapsing fever of man. 



European relapsing fever, 



North African relapsing fever of man. 



Other types of relapsing fever of man. 



Spirochastosis of fowls. 



Other spirochaste diseases of animals. 

 Typhus fever and lice. 



CHAPTER XI 

 SOME POSSIBLE, BUT IMPERFECTLY KNOWN CASES OF 



ARTHROPOD TRANSMISSION OF DISEASE 241-256 



Infantile paralysis, or acute anterior poliomyelitis. 

 Pellagra. Leprosy. Verruga peruviana. Cancer. 



CHAPTER XII 

 KEYS TO THE ARTHROPODS NOXIOUS TO MAN 257-317 



Crustacea. 



Myriapoda, or centipedes and millipedes. 



Arachnida (Orders of). 



Acarina or ticks. 

 Hexapoda (Insecta). 



Siphunculata and Hemiptera (lice and true bugs). 

 Diptera (mosquitoes, midges, and flies). 

 Siphonaptera (fleas). 



APPENDIX 



Hydrocyanic acid gas against household insects. 318-320 



Proportion of ingredients. A single room as an example. Fumigating a 

 large house. Precautions. 



Lesions produced by the bite of the black-fly 321-326 



BIBLIOGRAPHY 327-340 



INDEX . 341-348 



