THE LIFE HISTORY AND CONTROL OF FLEAS 371 



solutions are advised for the latter, and cooling applications, such as 

 mentholized or camphorated ointments for the itching. In the case of 

 infestations of the chigoe the insect should be promptly removed by 

 excision and the part kept as free from infection as possible. 



LIST OF REFERENCES 



Bacot, A. W., 1914. — A study of the bionomics of the common rat fleas 

 and other species associated with human habitations. With special 

 reference to the influence of temperature and humidity at various 

 periods of the life history of the insect. Journ. Hyg., Plague Supple- 

 ment III, Jan. 14, pp. 44!7-654. 



Bacot, A. W., 1914. — The eff'ect of the vapors of various insecticides 

 upon fleas at each stage in their life history and upon tbe bedbug in 

 its larval stage. Journ. Hyg., Plague Supplement III, Jan. 14, pp. 

 665-681. 



Bacot, A. W., and Ridewood, W. G., 1914. — Observations on the larvae of 

 fleas. Parasitology, vol. 7, No. 2, June 19, pp. 157-175. 



Bacot, A. W., and Petrie, G. F., 1914. — The fleas found on rats and other 

 rodents living in association with man, and trapped in the towns, 

 villages and Nile boats of Upper Egypt. Journ. Hyg., vol. 14, No. 4, 

 pp. 498-508, Dec. 23. 



Bishopp, F. C, 1915.— Fleas. U. S. Dept. Agr., Bull. No. 248, Aug. 14, 

 31 pp. 



Bishopp, F. C, 1915. — Fleas as pests to man and animals, with sugges- 

 tions for their control. U. S. Dept. Agr., Farmers' Bull. 683, Nov. 

 8, 15 pp, 



Canalis, P., 1916. — Some experiments on the insecticidal action of Clay- 

 ton Gas. Bull. Mens. Office Internat. d'Hyg. Publique, vol. 7, No. 3, 

 March, pp. 457-463. 



Chick, Harriette, and Martin, C. J., 1911. — The fleas common on rats in 

 different parts of the world and the readiness with which they bite 

 man. Journ. Hyg., vol. 11, No. 1, April 8, pp. 122-136. 



Conradi, A. F., 1902.— Remedies for fleas. N. H. Agric. Exp. Station, 

 Bull. No. 94, October, pp. 89-92. 



Creel R. H., 1915. — Hydrocyanic acid gas; its practical use as a routine 

 fumigant. U. S. Pub. Health Rpts., vol. 30, No. 49, Dec. 3, pp. 3537- 



3550. 

 Creel, R. H., and Paget, F. M., 1916.— Cyanide gas for the destruction 

 of insects. U. S. Pub. Health Rpts., vol. 31, No. 23, June 9, pp. 



1464-1475. 

 De Raadt, O. L., 1915.— Contribution to the knowledge of the epidemi- 



