Department of Dairy Industry: 



Factors affecting the aging time of ice cream mixes 211 



The utilization of frozen fruits in ice cream and ices 211 



A study of ice creams high in fat content 212 



A study of the effect of various initial aging temperatures on the behavior of gelatin 



in ice cream 212 



Department of Entomology: 



Investigation of materials which promise value in insect control 213 



Control of onion thrips 215 



The spray residue proljlem 216 



Systematic study of oil sprays 216 



Apple maggot control 217 



Control of the plum curculio in ajjples 217 



Biology and control of the carrot rust fJy 218 



Naphthalene and similar materials as fumigants for the control of greenhouse insect 



pests 219 



Department of Farm Management: 



Enterprise relationships and farm organization on selected dairy farms in western 



Massachusetts 220 



Types of farming in vegetable garden areas 220 



A study of labor saving methods and technique on vegetable farms 220 



Livestock management, methods, and costs 220 



The cost of silage production in Massachusetts with special reference to the use of 



machinery 220 



Feed Control Service: 



Feed control 221 



Seed control 221 



Dairy law 221 



Advanced registry testing 222 



Miscellaneous work 222 



Fertilizer Control Service: 



Fertilizer inspection 222 



Miscellaneous analytical work 223 



Department of Floriculture: 



Study of the effect of plant nutrients on carnations and roses under glass 224 



Breeding snapdragons for varietal improvement and disease resistance 224 



Department of Home Economics: 



The comparative value of milk and tomato for supplementary feeding in elementary 



schools 225 



The value of evaporated milk for school food service 225 



Department of Horticultural Manufactures: 



Fruit juices and jelly making 225 



Effect of microorganisms on the jellying power of fruit juices 226 



Preservation and nutrition studies with cranberry products 226 



Utilization of onions by canning and drying 226 



Utilization of New England fruits in ice cream 227 



Effect of freezing and thawing on microorganisms in foods 227 



Research on dates 227 



Vitamin content of Baldwin apples and other fruits 227 



Canned rat baits 227 



Department of Plant and Animal Chemistry: 



The effect of fertilizer and cultural treatment on the nitrogenous compounds of Ha- 

 vana Seed tobacco 228 



Tobacco field experiments 228 



Oil Sprays 228 



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



non-legumes under certain defined agronomic conditions 228 



Chemical study of cranberries 229 



Milk substitutes in the growing of young calves 230 



Two systems of dairy cattle feeding — high roughage and low grain versus low roughage 



and high grain 230 



