CONTENTS 



Department Bulletin No. 1326. — Effect of Garlic on the Flavor p a ge 

 and Odor of Milk: 



Object of the experiment 1 



Details of experiment 2 



Milk tests 2 



Check samples 2 



Time required for garlic flavor and odor to enter milk 4 



Time required after consumption of garlic for the milk to be free 



from garlic flavor and odor 5 



Inhalation of garlic 7 



Blood tests 9 



Conclusions 9 



Department Bulletin No. 1327. — Production of Grape-Hyacinth 

 Bulbs: 



General characteristics of grape hyacinths 1 



Sources of supply 2 



Uses of the plants 2 



Varieties and their commercial application 2 



Detracting characteristics 4 



Who should grow the stocks? 4 



Soils 4 



Planting and cultivation 5 



Digging or harvesting 5 



Importance of proper drying of bulbs in storage 6 



Packing for shipment 7 



A possible advantageous method of growing 7 



Preparation and sizing of stocks 8 



Planting stocks 8 



Merchantable stocks 9 



Propagation 9 



Growing from seed 10 



Prime difficulty with grape hyacinths 11 



Where grape hyacinths may be grown 12 



Present demand 13 



Growing under glass 13 



Yields 14 



Future of grape hyacinths . 14 



Summary 15 



Department Bulletin No. 1328. — The Flight Activities of the 

 Honeybee: 



Introduction 1 



The apparatus 2 



Problems on which information may be obtained by a device for 



counting nights i 6 



The conditions of the experiment 7 



Factors introducing error in the count 8 



Factors influencing the flight 10 



The average duration of trips 26 



A limit to the number of trips and the time spent within the hive 32 



The death rate of the colony 33 



The behavior of the bees to the instruments 34 



Conclusions 35 



79499H— 28 3 



