pointer in the same direction is the greater incidence of rodent ulcer in white Austra- 

 lians which is presumably attributable to some special sensitivity to solar radiation. 



7. Conclusion 



This outline should serve to show that life in deserts is well within man's phy- 

 siological capacity as of his technology and organisational ability. Disorders occur- 

 ring purely as a result of the climate are to a large extent preventable and a matter 

 of fairly simple hygiene. The fact is that rules of living have to be acquired for 

 desert life as for other parts of the world and that this can be done efficiently is 

 obvious from the successful survival of the great variety of desert peoples. The rea- 

 lisation that this adaptability, as well as its limits, is being given a progressively 

 more exact physiological analysis should serve as an encouragement to the more in- 

 tensive interest in the development and amelioration of deserts. 



References. 



Adolph, E. F. 1947 Physiology of Man in the Desert. New York. Interscience Publishers, Inc. 



Bedford, T. 1948 Basic Principles of Ventilation and Heating. London: H.K.Lewis & Co. 

 Ltd. 



Dill, D. B. 1938 Life, Heat and Altitude. Cambridge: Harvard University Press. 



Drysdale, J.W. 1951 Climate and Design of Buildings: Physiological Study No. 3. 



Home, G.C. & Mole, R.H. 1950 Lancet, August 13, p. 279. 



Ladell, W. S.S., Waterlow, J. C. & Hudson, M. F. 1944 Lancet, October 14 and 21, p. 1- 12. 



Thomson, M.L. 1951 J.Physiol. 112, 31-42. 



Weiner, J.S. & van Heyningen, R. E. 1952 Brit. J. industr. Med.. 9, 56-64. 



199 



