Simpson, G. G.

1945. The principles of classification and a classification of mammals. Bull. Amer. Mus. Nat. Hist., vol. 85, pp. 1-350.

Sita, E. (Mrs.).

1949. The life-cycle of Moniliformis moniliformis (Bremser, 1811), Acanthocephala. Current Sci., Bangalore, vol. 18, pp. 216-218.

Skaife, S. H.

1954. African insect life. 387 pp., 70 pls. New York.

Skinner, H.

1905. Destructiveness of the Australian roach Periplaneta australasiae. Ent. News, vol. 16, p. 183.

Slater, J. A.

1949. Food habits of the brown skink, Leiolopisma laterale Say. Herpetologica, vol. 5, pp. 79-80.