The investigations upon which this bulletin is based 

 were made in the fruit and vegetable handling and 

 storage division of the Office of Horticultural and Po- 

 mological Investigations of the Bureau of Plant Indus- 

 try. The fruit and vegetable handling, transportation, 

 and storage investigations 01 the Department of Agricul- 

 ture are now prosecuted jointly and cooperatively by the 

 Bureau of Plant Industry and the Bureau of Markets. 



Actively associated in the prosecution of these inves- 

 tigations were H. C. Thompson, horticulturist; S. J. 

 Dennis, technologist; G. W. Dewey, C. L. Dyer, J. F. 

 Fernald, G. L. Fischer, W. E. Mosher, W. C. Quick, 

 and E. D. Vosbury, of the Office of Horticultural and 

 Pomological Investigations, and K. B. Lewis, formerly 

 of that office. 



This bulletin is of special interest to all growers and 

 shippers of lettuce and celery in the Gulf States, par- 

 ticularly Florida, and of general interest to truck 

 growers in other parts of the country. It also contains 

 information of value to railroad and steamship lines 

 handling these products, to cold-storage men, and to 

 receivers of lettuce and celery from Florida and the 

 Gulf States. 



