30 PROTOZOOLOGY 



Sandon, H. 1927 The composition and distribution of the proto- 

 zoan fauna of the soil. Edinburgh, 



Taliaferro, W. H. 1926 Host resistance and types of infections 

 in trypanosomiasis and malaria. Quart. Rev. Biol., Vol. 1. 



VON Brand, T. 1938 The metabolism of pathogenic trypano- 

 somes and the carbohydrate metabolism of their hosts. Ibid., 

 Vol. 13. 



Wenyon, C, M. 1926 Protozoology. 2 vols. London and New 

 York. 



WoLFSON, C. 1935 Observations on Paramecium during ex- 

 posure to sub-zero temperatures. Ecology, Vol. 16. 



YocoM, H. B. 1934 Observations on the experimental adapta- 

 tion of certain freshwater ciliates to sea water. Biol. Bull., 

 Vol. 67. 



