CONTENTS. 



Department Bulletin No. 601. — The Handling and Precooling of 



Florida Lettuce and Celery: Page. 



Preventing decay in lettuce and celery 1 



Lettuce-handling investigations 2 



Nature of the problem 2 



Outline of experiments in 1913-14 3 



Results of experiments in 1913-14 6 



Outline of experiments in 1914-15 13 



Results of experiments in 1914-15 14 



Celery-handling investigations 18 



Nature of the problem 18 



Outline of celery -precoobing experiments 19 



Transit temperature records 20 



Cost of precooling and initial icing, compared with regular icing . 23 



Outline of celery -storage experiments 23 



Storage troubles 23 



Results of storage experiments 24 



Summary 2? 



Department Bulletin No. 602. — Value op a Small Plot of Ground to 

 a Laboring Man: 



Profit and pleasure. 1 



The cotton-mill village - - 2 



Quantity and value of food raised by cotton-mill operatives 



The garden 4 



Poultry. 8 



Pigs 8 



The family cow 9 . 



Department Bulletin No. 603. — A Study of Share-rented Dairy Farms 

 in Green County, Wis., and Kane County, III.: 



Systems of share-renting 2 



Summary of results 3 



Regions studied 4 



Variation in duty of landlord and of tenant 6 



Factors of efficiency 8 



Relation of farm practice to profits 12 



Department Bulletin No. 604. — Incense Cedar: 



Commercial importance - - . 1 



The wood 10 



The tree 12 



Forest types and associated species 27 



Stand 28 



Enemies 29 



Management 31 



Artificial forestation 35 



Appendix 37 



Department Bulletin No. 605. — Lumber Used in the manufacture of 

 Wooden Products: 



Importance of wood-working industry 1 



Quantity and kinds of wood used in the manufacture of wooden products. . 4 

 Department Bulletin No. 606. — Relative Resistance of Farm Hard- 

 woods to Injection with Creosote: 



Purpose of the experiments — 1 



Structure of the hardwoods _. 2 



Methods used in the experiments -- .. 4 



