282 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 5 



human infection said to have occurred while hunting ground squirrels in Contra 

 Costa Count j\ 



Enzootic Plague in the United States. Editorial in Med. Record Feb. 11, 1911. 

 Reviews the recent outbreaks and shows the danger of other outbreaks unless per- 

 sistent steps are taken to destroy the hosts that harbor the disease. 



Campaign against Plague-infected Squirrels in California. Public Health Rept. 

 Apr. 21, 1911. Data in regard to outbreaks in California since 1900. History of 

 squirrel plague; methods of control; benefits derived as a result of control measures 

 being adopted. 



Rats. Ed. Ind. 70: 676-7 Mar. 30, 1911. Points out the dangers of allowing 

 the rats to be present. 



The Present Plague Situation. Ed. in Jour. Amer. Med. Assn. Feb. 11, 1911. 

 Review of recent outbreak in China and other countries, now in every continent, 

 menace of the rat plague in England. 



Mildness of the Manchurian Plague. Literary Digest Apr. 1.5, 1911 p. 72.3. 

 Quotes Doctor Kitasato: This outbreak pulmonary plague: cannot spread through 

 the air; digestive tract plague proof; direct contact necessarj^; this outbreak worst 

 in history for this type of plague. The Marmot is supposed to be the source of the 

 present outbreak. They are subject to epidemics of this plague, at such times are 

 easily caught and as their fur is valuable the disease is thus easily distributed. 



Anti-plague Measures. Ed. in Jour. Amer. Med. Assn. Apr. 29, 1911. Little 

 danger of the outbreak in China extending to the United States. Measures to con- 

 trol ground squirrels on the Pacific Coast. Cost about $1,300,000 since July 1908, 

 nearly 100,000 rodents collected. 



Rats and the Plague in England. Contemp. Rev. 99: 170-81, Feb. 1911. History 

 of various outbreaks and the way in which plague is spread, and the means of 

 controlling it. 



Reports to Local Govt. Bd. on Pub. Health and Med. Sub. New ser. No. 52. 

 Reports and papers on suspected cases of human plague in East Suffolk and on an , 

 epizootic of plague in rodents. 1. Report on suspected pneumonic and bubonic 

 plague in East Suffolk and on the prevalence of plague in rodents in Suffolk and 

 Essex by Dr. Bulstrode. (2) Observations on rat plague in East Suffolk bj^ Drs. 

 Martin and Rowland. (3) Reports on the pathological and bacteriological exam- 

 ination of rodents by Drs. Petrie and Macalester. (Rev. in Brit. Med. Jour. Aug. 

 26, 1911, p. 448.) 



Investigations in Plague. Nature 85: 476-7, Feb. 9, 1911. Liv. Age. 268: 631-3, 

 Mar. 11, 1911. Notes based on a review of the Reports of the Indian Plague Com. 



Reports and Papers on Suspected Cases of Human Plague in East Suffolk and on 

 an Epizootic of Plague in Rodents. Repts. to Local Govt. Bd. on Pub. Health 

 and Med. Subjects New series No. 52 (1911). 



Ticks and Various Diseases 



Baetz, W. A case of American Relapsing Fever. N. Y. Med. Jour. Feb. 4, 1911. 

 A typical case in Canal Zone. 



Balfour, A. Feeding Experiments in Fowl Spirochsetosis. Lancet, July 22, 1911, 

 p. 223. Chickens were fed infected ticks and under some conditions developed the 

 disease. Likely that the granules penetrate the mucous membrane as granules 

 but possibly as young spirochaetes. 



Balfour, A. The Role of the Infective Granule in Certain Protozoal Diseases. 

 Jour. Trop. Med. and Hyg. XIV: 17 Sept. 1, 1911. In discussing these refers to the 

 spirochaetes in ticks. 



