INDEX 



A star (*) after a page number indicates that an illustration of the subject appears in 

 connection with the reference. 



Age, of cow, 260; of horse, 285-286.* 

 Agriculture, divisions of, 1-2. 

 Air, use of, to plants, 16-17*; sup- 

 plied by cultivation, 5 1 ; shown 



to be in soil, 61. 

 Alfalfa, importance of, 113-114*; 



inoculation of, 114-115; bulletin 



on, 118; for cows, 293. 

 Alkali, how formed, 34; removed by 



drainage, 59.* 

 Ammonia, sulfate of, 174.* 

 Animalcules, 238. 

 Anthers, 10.* 

 Aphis, spraying for, 195. 

 Apples, spray for codling worm, 198- 



199.* 



Army worms, 208. 

 Arsenic, as an insecticide, 197-198. 

 Artesian wells, 162. 

 Ayrshires, origin, 255-256; record, 



257-* 



Babcock test, 267-270.* 



Bacteria, discovery of, in legumes, 

 44-45; causing nodules, 44-47*; 

 character of, 236-237*; food of, 

 237; increase, 237-238*; causing 



, decay, 238, 240*; favorable soil con- 

 ditions for, 239-240; in milk, 241; 

 cause of disease, 241-242 ; sources 

 of, in milk, 262 ; effect of temper- 

 ature on, 264.* 



Bats, guano from, 175; destroy 

 insects, 230. 



Beans, 128-130*; tepary, 160; 

 affected by weevils, 200-201.* 



Bees, 213-218; pollination by, 213; 

 observation hive, 213-214; work 

 of colony, 215; kinds, 215*; hive, 

 216,* 218*; veil, 217-218*; 

 swarming, 217-218; races of, 219; 

 bulletin, 219. 



Beets, improved by selection, 93 ; 

 culture, 134. 



Bichlorid of mercury, 248. 



Birds, beneficial and harmful, 220; 

 examples of benefit done, 221- 

 228; methods of working, 229- 

 230; protection of, 231-232*; 

 enemies of, 232-233; houses, 233*; 

 how to observe, 234. 



Blackbird, 226.* 



Blight, of peaches, 248-249; of 



potatoes, 249. 

 Blue jay, 231. 

 Bluestone, in Bordeaux mixture, 



245-247. 

 Bordeaux mixture, for potato blight, 



137; making, 246-247.* 

 Botfly, 287.* 

 Breeds, of cattle, 251-252; of hogs, 



273; of goats, 276-277*; of 



sheep, 279*; of dogs, 280-283*; 



of horses, 283-284*; of rabbits, 



287-288. 



Brown-tail moth, 210211. 

 Budding, 74-81.* 

 Bulbs, flower, 153 ; planting and 



care, 154-1 55. 



Bulletins, how to obtain, 37. 

 Bumblebee, relation to clover, 191. 

 Burbank potato, 97. 

 Burroughs, John, friend of birds, 



234*; quotation from, 236. 

 Butter fat, amount in milk, 252. 

 Butterfly, metamorphosis, 192-195.* 



Cabbage, root of, 2*; planting and 



care, 128. 



Cabbage butterfly, 128-129.* 

 Calcium, as a plant-food material, 



170. 



Calyx, 10.* 

 Cambium layer, of stock and scion, 



76-77. 

 Capillary action, 31-33*; in soil, 



50-5I-* 

 Carbohydrates, in stock feed, 292- 



293- 

 Carbon bisulfid, an insecticide, 200- 



201.* 



Carbon dioxid, use of, to plant, 18; 



common uses of, 19; experiments, 



20, 21. 



Carrots, 134. 

 Caterpillar engine, 56; drawing 



harvester, 113.* 

 Caterpillars, 193-194; killed by 



parasites, 202-204.* 

 Cats, protecting birds from, 231-233.* 

 Centrifugal force, in clarifier, 267; 



in separator, 270-271.* 



327 



