[11]‘The Dead Heart of Australia’; John Murray, London, 1906.
[12]‘The Hydraulic Aspect of the Artesian Problem,’ Proceedings of the Royal Society of New South Wales, vol. xxxvii., p. 30.
[13]‘Egyptian Irrigation,’ second edition, E. and F. N. Spon, Limited, London, 1899.
[14]‘The Great Sahara,’ by H. B. Tristram; John Murray, London, 1860. See also ‘Tropical Agriculture,’ by P. L. Simmonds.
Transcriber's note:
- pg [3] Changed: latitudina direction to: latitudinal
- Spelling and formatting inconsistencies have been left unchanged