6 DEPARTMENT OF AGRICULTURE BULS. 226-250. 



Department Bulletin No. 239.— The Egg Plant Lace-bug: Page. 



Introduction 1 



Nature of attack 1 



Description of stages 2 



Distribution 4 



Seasonal history 4 



Natural enemies 7 



Methods of control 7 



Department Bulletin No. 240. — Pasteurizing Milk in Bottles and 

 Bottling Hot Milk Pasteurized in Bulk: 



Introduction 1 



Method of bacteriological analysis • 3 



Method of pasteurizing in bottles 3 



Bacterial reductions by pasteurization in bottles 3 



Advantages and disadvantages of pasteurization in bottles 7 



Machinery for pasteurizing milk in bottles 7 



Method of pasteurizing milk in bulk and bottling while hot 11 



Comparison of bacterial reductions in milk pasteurized in bottles and milk 



pasteurized in bulk and bottled while hot 12 



Prevention of bottle infection by bottling hot milk and by pasteurization 



in bottles 14 



Cooling milk which has been bottled hot 16 



The cream line and flavor of pasteurized milk cooled by various methods. 23 



Bottles to be used in the process of bottling hot pasteurized milk 24 



Process of bottling hot pasteurized milk under commercial conditions. ... 24 



Summary 25 



Citations of literature 27 



Department Bulletin No. 241. — Studies on Fruit Juices: 



Introduction 1 



General methods of preparation - 2 



Special methods of preparation 7 



Experimental work 9 



Conclusion 19 



Department Bulletin No. 242. — Corn, Milo, and Kafir in the Southern 

 Great Plains Area: Relation or Cultural Methods to Production: 



Introduction 1 



Climatic conditions \ 2 



Soil 5 



Experimental work 6 



Presentation of results 



General discussion 18 



Department Bulletin No. 243. — Cone Beetles: Injury to Sugar Pine 

 And Western Yellow Pine: 



Introduction 1 



Insects causing damage 1 



The sugar-pine cone beetle ; 2 



The western yellow-pine cone beetle 8 



Conditions requiring control 11 



Remedy 11 



Department Bulletin No. 244. — Life History op Shortleaf Pine: 



Name and identifications 1 



Geographical and economic range 2 



Character of stands 4 



Size, age, and habit 7 



Demands upon soil and climate 13 



Light requirements 14 



Reproduction 18 



Growth 28 



Causes of injury : 34 



Yield 39 



Department Bulletin No. 245. — Further Experiments in the Destruc- 

 tion of Fly Larv;e in Horse Manure: 



Introduction 1 



General plan of experimental work 



General account of su bstances used 



Application of hellebore to manure 19 



