1. Pearson, J., Pap. Roy. Soc. Tasm. 1937, 21 (1938).
2. Troughton, E., “The Mammals of Australia” (Angus and Robertson, Sydney, 1941).
3. Huxley, J. S., “Evolution—the Modern Synthesis” (London, 1942).
4. Barber, H. N., “Distribution of the Black Rabbit in Tasmania” (in preparation).