CONTENTS / 



l"age 

 Department Bulletin No. 1214. — Family Living in Farm Homes — 

 An Economic Study of 402 Farm Families in Livingston County, 

 N. Y.: 



General plan 4 



Area studied , 5 



Composition of families and households 5 



Classification of family goods 6 



Expenditures and goods consumed 8 



Cost-consumption unit and household size index 19 



Expenditures per cost-consumption unit and factors indicative of the 



standard of living 25 



Summary _ 33 



Department Bulletin No. 1215. — The Chinese Jujube: 



Introduction 1 



The Chinese jujube in Asia and Europe 2 



The Chinese jujube in the United States 3 



Botanical relationships of the jujube 4 



Varieties 8 



Propagation 11 



Seeds 11 



Cuttings 12 



Budding 13 



Grafting 13 



Culture 15 



Climate 15 



Soil 16 



Time of planting 16 



Distance for planting 16 



Pruning 17 



Tillage 18 



Diseases and insects 18 



Methods of utilizing the Chinese jujube 18 



Jujube confection 19 



Miscellaneous recipes 21 



Future of the Chinese jujube 22 



Composition of the Chinese jujube 24 



Samples examined ' 24 



Methods of analysis 24 



Results of analyses 25 



Summary of analyses 28 



Literature cited 30 



Department Bulletin No. 1216. — Tentative Standard Methods op 

 Sampling and Testing Highway Materials: 



Introduction 1 



Methods of sampling and testing nonbituminous highway materials. 2 



Methods of sampling and testing bituminous highway materials 43 



Methods of sampling and testing drain tile and culvert pipe 78 



Methods of sampling and testing metallic materials 84 



Index 94 



Department Bulletin No. 1217. — Mixing Emulsified Mineral 

 • Lubricating Oils with Deep-Well Waters and Lime-Sulphur 

 Solutions: 



Suitability of water available for spray mixtures 1 



Methods of treating deep-well water 1 



Value of combination sprays 2 



Stabilized oil emulsions 2 



Methods of applying colloidal substances 3 



Experimental results and their commercial application 5 



Literature cited 5 



