Index. 



.311 



INDEX. 



Page 



Abstracts of papers published in 



1919 285 



Age of cows and maximum milk 



production ■ 253 



Ancestral analysis of Jersey sires 143 

 Animal husbandry investigations in 



1919 - 249 



Aphididae, food plant catalog 219 



Aphids of the rose 205 



Aroostook Farm soil tests 33 



Ayrshire cows, variations in 



milk 57, 260, 285 



Bacillus atroseptcius 303 



Banding chicks 84 



Biometrical study of crossing over 300 



Blackleg organism, viability of 303 



Breeding experiments 272 



Buckwheat, Tartary, variation in.... 296 



Bulls, Jersey, inferior 141 



• transmitting qualities 89 



which have advanced the breed 138 

 superior and inferior, how dis- 

 tinguished 102 



transmitting qualities of their 



sons 130 



Butter-fat, percentage, correction of 



records _ 94 



laws which govern •. 91 



variation with age of cows 291 



Calves produced in hybridization 



experiments .' 274 



Catalog of the food plants of the 



Aphididae 219 



Clover in soil test experiments.... 49 

 Conformation and milk producing 



capacity 270 



of Jersey cows and milk pro- 

 duction 298 



Cows, relation between age and 



milk production 253 



Crossing over, biometrical study of 300 



Egg distributing and turning table 77 



Fagopyrum tataricum, variation in 296 



Fat content in milk, variation 57 



Fertilizing materials used in soil 



tests 39 



Food plant catalog of the Aphi- 

 didae 219 



Guernsey sires, transmitting quali- 

 ties 254 



Incubator baskets _ 82 



Jersey cows, age and milk secre- 

 tion 287 



age and butter-fat .'... 291 



conformation and milk produc- 

 tion _ 298 



sires, ancestral analysis 143 



transmitting qualities 89, 265 



Key to the eastern species of 



Macrosiphum 216 



Page 



Macrosiphum amelanchiericolens 211 



carpinicolens 209 



diervillae 210 



eupatoricolens 214 



gravicornis 213 



impatiensicolens 211 



key to eastern species 216 



lanceolatum 215 



new species 209 



onagrae 212 



pseudocoryli 212 



pseudodirhodum 213 



pseudorosae 206 



ptericolens 210' 



rosae 205 



solanifolii _... 205 



Meadow plant bug (See Miris 



dolabratus) 1 



Meteorological observations 306 



Milk and fat production, relation 



to age 62 



fat percentage at different ages 64 



flow, laws which govern 91 



of Ayrshire cows, variations 



in 260, 285 



producing capacity and confor- 

 mation 270 



production and age of cows 253 



and conformation of cows 298 



comparative variability 59 



correction of records 94 



transmitting qualities for 254 



transmitting qualities of Jer- 

 sey sires 104 



records, analysis of 250 



secretion, studies in 89, 287 



variation in fat content 57 



quantity 57 



Miris dolabratus ..: 1 



description 3 



dimorphism 8 



distribution _ 4 



economic importance 6 



food plants 7 



introduction 4 



life history _ 8 



measures for control 14 



natural enemies 11 



Mosaic disease of the Irish 



potato 305 



Nitrogen, different forms for 



potatoes _. 27 



Oats in soil test experiments 47 



Pedigree incubator baskets 82 



poultry breeding 65 



Potash omission in potato culture 30 



Potato, mosaic disease of 305 



pomace, analysis 21 



fertilizing constituents 22 



studies 17 



