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. 
