REFERENCES
- Lewis, E. A.—Tsetse-flies and Development in Kenya Colony. East African Agric. J., 7 (4), April, 1942.
- Swynnerton, C. F. M.—The tsetse-flies of East Africa, 57 et seq.
- Carpenter, G. D. H., in A naturalist on Lake Victoria, quotes a despatch of 1906 from Sir Hesketh Bell putting the deaths at over 200,000 in the previous five years.
- Swynnerton, C. F. M.—An experiment in control of tsetse-flies at Shinyanga, Tanganyika Territory. Bull. Ent. Res. 15 (4), 316.
- H. E. Hornby wrote in 1939 in a letter to the Director of Veterinary Services: “Near the pools I saw an amazing sight; one of the biggest concentrations of cattle I have seen at any one watering place outside Masailand. I estimated there were more than 10,000 head. I am informed that until a year or two ago this part of the Huru-huru was fly-infested, and was entirely without cattle at all times of the year….”
- Symes, C. B., and Vane, R.T.—The eradication of G. palpalis from river areas by the “Block” method, 1937.
- Symes, C. B., and Southby, R.—The reduction of G. palpalis in a lake shore area by the “Block” method, 1938.
- Maclean, Dr. G.—Memorandum on sleeping sickness measures, Medical Department, Tanganyika, 1933, 4.
- Moggridge, J. Y.—Tsetse Research Report, 1935–1938, 33 et seq.
- Swynnerton, C. F. M.—The tsetse-flies of East Africa, 297.