Department of Dairy Manufactures 316 



Washing powders for dairy use 316 



The quinhydrone electrode in the dairy laboratory 316 



A study of packaged ice cream 316 



Utilization of New England fruits in fruit ice creams 317 



Department of Entomology 317 



Dates of hatching of scale insects and when to spray for them 317 



Investigation of materials which promise value in insect control 317 



Control of onion thrips 317 



Spray residue problem and its relation to orchard practices 317 



Adaptation of the recommended si)ray schedule for the control 



of orchard insects to eastern Massachusetts conditions 318 



Control of the plum curculio in apples 318 



Control of red spiders on greenhouse cucumbers 318 



Biology and control of garden cutworms 318 



Biology and control of the carrot rust fly 319 



Department of Farm Management 319 



Enterprise relationships and farm organizations on selected dairy 



farms in western Massachusetts 319 



The place of poultry production on Massachusetts farms 319 



Types of farming in Massachusetts^l84n-1925 319 



Factors responsible for variations in ])hysical production and 



economic costs of milk in Massachusetts 320 



Other activities of the department 320 



Feed Control Service 320 



Feed control 320 



Seed control 321 



Dairy law 321 



Advanced registry testing 321 



Miscellaneous work 321 



Fertilizer Control Service 322 



Fertilizer inspection 322 



Miscellaneous analytical work 323 



Vegetation pot experiment 323 



Department of Home Economics Research 324 



The food consumption of rural school children in relation to 



their health : 324 



Present practices of Massachusetts elementary schools with re- 

 gard to school feeding and transportation, and their effect 



upon healtii of i)upils 324 



Department of Hort'.cultural Manufactures 325 



The extraction of fruit juices by heat 325 



Manufacture and preservation of cranberry products 325 



Utilization of on'ons by cann'ng 325 



The nitrogen distribution of the edible portion of the onion 326 



Utilization of New England fruits in fro/.en dairy jiroducts 326 



Department of Landscape Gardening 326 



Lawns and lawn grasses and lawn management 326 



Department of Plant and Animal Chemistry 327 



The efficiency of copper fungicides 327 



Nitrogen intake of Havana tobacco in relation to nitrogen syn- 

 thesis and (|uallty of leaf 327 



Nitrogen fixation in the presence of or as a result of the growth 

 of legumes versus non-legumes under certain defined agron- 

 omic conditions 327 



Chemical changes in the cranberry during rii)ening and after 



harvesting 328 



A study of the availability of soil potash with the object of 



developina- a system of diagnosis for the soils of the state 328 



Utilization of onions by canning 328 



Lime penetration resulting from surface application to i^isture 



land : 329 



Record of the Station herd 329 



Milk substitutes in the growing of young calves 329 



The value of calcium phosphate in the promotion of growth and 



milk production 330 



