IV CONTENTS 



Insect Kecord for 1902: 



White-Winged Bibio 74 



American Tent Caterpillar 74 



Oyster-Shell Scale. 74 



White Fly of Greenhouses 75 



Pear-Tree Psylla". 75 



W^hite-Marked Tussock Moth 77 



Cecropia Emperor Moth . 77 



Luna Moth 77 



Imported Currant Worm 77 



Fruit Bark-Beetle 77 



Plum Curculio 77 



Minor Insects 78 



Standard Milk 79 



Legal Standard Defined 79 



New Hampshire Statute 80 



Massachusetts Statute 80 



Inspection of Milk 80 



Falling below the Standard 81 



Cause 81 



Prevention 82 



Babcock Test 82 



Preparation of Samples for Analysis 82 



Fifteenth Annual Eeport 83 



Financial Statement 85 



Keport of the Vice-Director 87 



Publications of the Year 87 



Appointments to Vacancies 88 



Department of Chemistry 89 



Analyses of Cattle-Foods 90 



Analyses of Poultry-Foods 90 



Poisoning by Strychnine 91 



Inyestigations Conducted 91 



Changes in Assistants 91 



Department of Agriculture 92 



Forage Crops 92 



Department of Entomology 93 



Nursery Inspection 93 



Investigations Conducted 93 



Department of Horticulture 94 



Work of the Year 94 



Description of New Greenhouses 94 



List of Available Publications 97 



