1. The Rockefeller Foundation, a review for 1936 by Raymond Fosdick, President of the Foundation, 1937, pp. 13–17.
2. Soper, F. L., Penna, H. A., Cardoso, E., Seraflm, jun., J., Frobisher, jun., M., Pinheiro, J., Amer. J. Hyg., 18, 555 (1933).
3. Stokes, A., Bauer, J. H., Hudson, N. P., J. Amer. Med. Assoc., 90, 253–254 (1928).
4. Shannon, R. C., Whitman, L., Franca, M., Science, 88, 110 (1928).
5. Edwards, F. W. 1932, Genera Insectorum, Fasc. 194, Diptera, Culicidæ 258 pp.