574 INDEX. 



page. 



H. 



Halsted's cultivator ...43, 61, 243 



seed drill 243 



Harper's army candlestick ..-. 483 



Hay and corn-stalk cutter 45, 61 



the proper time to cut — 352 



value of, fed on the farm 321, 351 



Haying machines 351 



Heating conservatories 47 



houses _ — 33 



Herbert's cooking canteen 481 



Hessian fly 133 



Hippocrates 200 



Hite, Geo. H,, on choice of trees _ 249 



grafting _ 246 



pruning 247 



Hoeing wheat 323 



Holton, D. P., formation of statistical bureau _, 256 



obituary notice of Geoffroy de St. Hilaire 200 



Honey 120 



Honeysuckle, evergreen 245 



Honolulu squash _ 182 



Hopkins' army candlestick 483 



Horse-shoeing 46 



Hotz's pedal engine lOY, 112 



report on 112 



pump ---- 207 



Hybridization ._ - 217 



I. 



Ice ---. 227 



and its formation - 380, 388 



method of refrigeration 376 



houses _ 227 



Illinois coffee 3^2 



ndigenous and uncultivated plants 328 



Insects - - 102, 114 



Iron, malleable, manufactured direct from the ore 550, 562 



Irrigation H" 



Isabella grapes - 182 



Invention, influence of climate on _ 359, 370 



Isaacson's lamp 38 



