THE TRANSMISSION OF INFECTIOUS DISEASES 59 



Malaria mosquito (Anopheles macvUpennis). 



House fly (Mmca domestica) may carry organisms of 

 typhoid fever, cholera, and other diseases. 



Tsetse fly (Glossina palpalis) transmits sleeping-sickness. 



Tick (Dermacentor andersoni) transmits Rocky INIountain 

 spotted fever. 



Tick (Margaropiis annnlatus) transmits Texas fever. 



Stable fly (Stomoxys calcitrans) may transmit infantile 

 paralysis (poliomyelitis) . 



Flea ( Xenopsylla cJieopis), a carrier of bubonic plague. 



Body louse (Pedicidm vestimenti) transmits typhus 

 fever and trench fever. 



Bedbug {Cimex lectidarius) transmits relapsing fever. 



So far as the nurse is concerned, the above facts call 

 for careful attention to flies, mosquitoes, fleas, bedbugs, 

 lice, and other vermin about every case of infectious dis- 

 ease. 



