D. Maclagan

An ecological Study of the “Lucerne Flea” (Smynthurus viridis, Linn.)—I

D. Maclagan, 1932 .

Effects of Modern Insecticides on Growth of Plants

D. Maclagan, 1957, Nature.

Ecological study of the Lucerne flea (Smynthurus viridis, Linn.) : with special reference to its natural factors of control

D. S. MacLagan, D. Maclagan, 1932 .

The Royal College of Surgeons

J. Syme, D. Maclagan, S. K. Newbigging, 1896, The Hospital.

XII.—The Experimental Analysis of the Growth of an Insect Population.

D. Maclagan, E. Dunn, 1936 .

The Effect of Population Density upon Rate of Reproduction with Special Reference to Insects

D. Maclagan, 1932 .