Bibliography 



195 



transmit plague. Other pages discuss various rat fleas and 

 their relation to plague in rats. 



Hankin, E. H. On the Epidemiology of Plague. Jour. Hyg., 5, 

 1905, pp. 48-83. A comprehensive discussion of the disease 

 and its spread, several pages devoted to rats and fleas; evi- 

 dence for and against the theory that rats and fleas are the 

 principal carriers of the disease. 



Herzog, Max. The Plague, Bacteriology, Morbid Anatomy & 

 Histopathology, Including the Consideration of Insects as 

 Plague Carriers. Biological Laboratory Bureau of Govt. 

 Laboratories, Manila, Oct., 1904. Reviews the evidence 

 regarding the possibility of fleas carrying plague; describes a 

 new rat flea (Pulex philippinensis); records experiments with 

 fleas and cites a case of bubonic plague in a child in which the 

 infection was possibly carried by Pediculi. 



McCoy, G. W. Plague Bacilli in Ectoparasites of Squirrels. 

 Pub. Health Reports, Pub. Health and Mar. Hospt. Ser., 

 Vol. XXIV, No. 16, Apr. 16, 1909. Experiments with fleas 

 and lice from infected squirrels demonstrating presence of 

 plague bacilli. 



McCoy, G. W. The Susceptibility of Gophers, Field-mice and 

 Ground-squirrels to Plague Infection. Jour, of Infec. Diseases, 

 Vol. 6, 1909, No. 3, pp. 283-288. Gophers highly resistant, 

 field-mice moderately susceptible and ground-squirrels very 

 susceptible to plague. 



Mitzmain, M. B. Insect Transmission of Bubonic Plague: a 

 Study of the San Francisco Epidemic. Ento. News, 19, 

 No. 8, 1908, pp. 353-359. Fleas obtained in examination of 

 1,800 rats. Attempt to locate source of rat and flea introduc- 

 tion. 



Morton, F. M. Eradicating Plague from San Francisco. Re- 

 port of the Citizens' Health Com. and an account of its work. 

 San Francisco, 1909. Discusses the epidemics, methods of 

 transmission, methods of fighting, etc. 



