6 DEPARTMENT OF AGRICULTURE BULS. 451-475. 



Department Bulletin No. 465. — Propagation of Wild-duck Foods : Page. 



Introduction 1 



Wild rice 4 



Wild celery 9 



Pondweeds 13 



Enemies of wild rice, wild celery, and pondweeds 20 



The arrowheads 21 



Delta potato 21 



Wapato 24 



Chufa 2S 



Wild millet 32 



The waterlily group 35 



Banana waterlily 36 



Department Bulletin No. 466. — Maple Sugar Composition, Methods 

 of Analysis, Effect of Environment : 



Introduction 1 



Definitions , 1 



Sampling 3 



Methods of analysis 3 



Result of analysis 12 



Discussion of results 27 



Canadian maple sugars 35 



Effect of environment on the composition of maple sugar 36 



Changes in composition and color from sap sirup to sugar sirup 38 



Moisture in maple sugar 39 



Maple cream, honey, and wax 41 



Conclusions 42 



Department Bulletin No. 467. — The Food Value and Uses of Poultry : 



Introduction 1 



Kinds of poultry 2 



Factors which influence table quality 8 



Handling and dressing poultry 10 



Cold-storage poultry : 13 



Marks of good table poultry 16 



Cooking 18 



Potted and canned poultry 19 



Nutritive value of poultry 26 



Cost of poultry 26 



Summary 28 



Department Bulletin No. 46S. — Potatoes, Sweet Potatoes, and Other 

 Starchy Roots as Food : 



Introduction 1 



Potatoes 2 



Sweet potatoes 17 



The Jerusalem artichoke .21 



Some tropical starch-bearing roots 22 



Conclusion 23 



Department Bulletin No. 469. — Fats and their Economical Use in the 

 Home: 



Introduction 1 



General nature of fats 2 



The place of fats in the diet 3 



Digestibility of fats 4 



Sources and kinds of edible fats 6 



Animal fats 8 



Vegetable fats 12 



The selection of edible fats 15 



Economy in the use of fats 17 



Utilization of waste fats 20 



Rendering and clarifying fats 22 



Savory fats 23 



Softening hard fats to make them more satisfactory for shortening 

 purposes 



24 



Care and storage of fats in the home 25 



Summary 26 



