4 



LETTER OF TRANSMITTAL. 



on in cooperation between the offices of Plant Life History Investiga- 

 tions and of Alkali and Drought Resistant Plant Breeding Investi- 

 gations. 



Acknowledgment is here made of the valuable assistance rendered 

 Mr. Kearney in the course of his investigations by the Tunisian au- 

 thorities and by private individuals interested in olive culture. Men- 

 tion should be made of the courtesies extended by M. Fidelle, late 

 controleur civil at Sfax; M. Minangoin, inspector of agriculture in 

 the Direction of Agriculture and Commerce at Tunis ; Mr. Leonardi. 

 British vice-consul at Sfax; M. Robert, president of the chamber of 

 commerce at Susa; and MM. Louis Fidelle and A. Chatel, olive 

 growers at Sfax. 



The illustrations which accompany this paper are considered 

 essential to a full understanding of the text. 

 Respectfully, 



B. T. Galloway, 



Chief of Bureau. 



Hon. James Wilson, 



Secretary of Agriculture. 



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