THE BIOLOGICAL CONQUEST OF Till: WOULD 



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"L,_ Hblarctic p,. 



3 / 



^^^^^4i/^• 



Ethiopian 



Auslralia-ri ^:;» 

 "Rsalin 



Map showing life realms. 



Similarly there are the South American, or Xcotroi)i('al, Etliioi)iaii, 

 Oriental, and Holarctic realms, the latter comprising most of the 

 land surface of the Tropic of Cancer. Each of these regions has 

 animals and plants peculiar to itself, although resemblances are often 

 found between inhabitants in different realms. 



SUGGESTED READINGS 



Beebe, C. W., Hartley, G., Howes, P. G., Tropical Wild Life in Britif^h 



Guiana, New York Zool. See, 1917. Ch. VI. 



Contains an interesting description of a tropical rain-forest. 

 Borradaile, L. A., The Animal and Its Environment, O.xford University Press. 



London, 1923. Chs. VII, VIII, X, XI, XIII. 



Excellent for general reading. 

 Elton, C, Animal Ecology, The Macmillan Co., 1927. Chs. Ill, V, X. 



Fascinating reading. 

 Jordan, D. S., Kellogg, V. L., and Heath, H., Animals, D. Applcton ct Co., 



1909. Chs. VII, XVI. 



Old but reliable. 

 Pearse, A. S., A7iimal Ecology, McGraw-Hill Rook Co., 192G. Ch. IV. 



Rather a book of reference than a reading book. 

 Roule, L., Fishes, Their Journeys and Migrations, W. ^^■. Norton & Co., 1933. 



All of this book makes interesting reading. 

 Walter, H. E., Biology of the Vertebrates, The Macmillan Co., 192S. Cli. III. 



Interesting and reliable. 

 Weaver, J. E., and Clements, F. E., Plant Ecology, McGraw-Hill Book Co., 



1929. Chs. IV, V, VII, XVIII. 



Very' scientific and yet interesting. 



