CONTENTS 



Departmext Bulletin 176. — Group Classification and Varietal Descrip- 

 tions OF Some American Potatoes: Page. 



Introduction 1 



Early efforts at classification 1 



Proposed system of clssification 3 



Varietal descriptions 13 



Department Bulletin 177. — The Production and Consumption op Dairy 

 Products: 



Introduction 1 - 



Production of dah-y products 1 



Disposal of daily products 9 



Special study of consumption of milk and butter 17 



Department Bulletin 178. — Cooperative Organization Business Methods: 



Introduction 1 



Systems of accounts 2 



Accounting forms 4 



The office manager 5 



Office employees 6 



The secretary 7 



Records of meetings 7 



Treasurer 8 



Surety bonds 8 



Filing systems 9 



Safeguarding the cash 10 



The expense account 12 



Reserve for depreciation 13 



Dividends 14 



Trial-balance book 15 



Surplus 16 



Preparation of annual statements 17 



Auditing 18 



Conclusion 20 



Summary 20 



Bibliography 23 



Department Bulletin 179. — Native American Species of Prunus: 



Introduction 1 



Distribution 1 



V^ariation and adaptability 2 



Early history of American plums 2 



F]arly botanical descriptions 5 



Horticultural history and development 6 



Systematic V)0tany 17 



Litoraturo cited 72 



Depart.ment Bulletin 180. — Soil Erosion in the South: 



Ero.sion as related to the formation of soils I 



Residual .soils 1 



Transported soils 2 



Translocation of soils by water 2 



\\'ater-tranHj)ort(^;fl material 2 



Source and 'juality of material 4 



.Mf)Vement of soil material by the wind 5 



Excessive translocation of soil material 6 



< 'au.ses of ero.sion (5 



Tlif natur(! of erosion 9 



[{••."ultH of erosion 9 



3 



