262 INDEX. 



PAGE 



Bacillary white diarrhoea, ......... 43a 



Beans, attacked by green clover worm, ....... 34a 



Botany, need for investigations, ........ 16a 



Bulletin No. 189. The European corn borer and its control, ... 1 



Bulletin No. 190. The propagation of apple trees on their own roots, . . 73 



Bulletin No. 191. Practical results from studies on egg production, . . 97 



Bulletin No. 192. Seventh report of the cranberry substation, . . . 105 

 Bulletin No. 193. The supply and distribution of Connecticut valley cigar 



leaf tobacco, ........... 143 



Bulletin No. 194. A fertilizer experiment with asparagus, .... 231 



Butter fat, chemistry of, ......... 18a 



Calves, protein requirements, ......... 19a 



Canning, study of micro-organisms, ........ 40a 



-Celery spraying experiments, ......... 13a 



Chemical work, numerical summary, ....... 30a 



Clarification of milk, .......... 41a 



Codling moth, generations of, ........ . 35a 



Control work: 



Dairy law, ........... 24a 



Feeding stuffs law, .......... 23a 



Fertilizer law, ........... 20a 



Poultry disease elimination, ........ 43a 



Corn and soy beans for forage, ........ 20a 



Corn borer, European, and its control: — Y 



Adults, habits of, ......... . 5r 



Copulation, ........... 51 



Emergence of the moths, ........ 51 



Flight 54 



Proportion of sexes, ......... 52 



Character and extent of injury to corn, ...... 16 



To other food plants, ......... 19 



Control: 



Application of arsenicals to plants, ...... 62 



Cultural practices to avoid damage, . . . . . .63 



Destroying plants containing overwintering larvae, . . . . 59 y 



Descriptions of the different stages: 



Adult 28 



Egg, 24 



Larva, ........... 24 



Pupa 28 



Explanation of plates, ......... 69 



Food plants: 



In the Old World 13 



In the United States (Massachusetts), . . . • . .13 



List, ■^■^ ) 



Foreword, ......•■••• I \f 



Geographical distribution: 



In the Old World 10 



In the United States ■^'^ i 



Territory examined in Maine, . . . • . . . 12 \J 

 Territory examined in Massachusetts, . . • . . .11 



Territory examined in New Hampshire, ..... 12 



Territory examined in Rhode Island and Connecticut, ... 13 



