634 INDEX. 



Horseshoes, _ — 401 



Horticulture in Greenland, 312 



How to choose a good cow, 283 



Hoyt's water float gauge, _ _ 192 



Hybridization of the Swedish turnip, _._ 374 



I. 



Ignames or yams,. _ 195 



Illustrations and descriptions of machinery at the 28th fair, 173 



Imphee, _. __ _ 444 



Improved tools, _ _ 286 



Improvement of orchards, __ 293 



Industrial exhibitions of Europe, _ _ 85 



resources of Russia, _ 272, 281 



Ingersoll's hay and cotton press, _ __ 178 



Injury to fruit by the cold and wind, 207 



Iron, -- 567 



and steel, - 547 



differences of the price of, _ 541 



Italian honey bee, _ _-. 254 



rye grass, _ 373 



K. 



Kitson's machine for picking cotton, *195 



Knox's horse hoe, __ 288 



Leonard on the relief of the travel of Broadway, _ 619 



Leonard's dynamometer, _ 614 



Leyden, - - - 100 



Liebig's experiments, 452 



Lightning, .._ 389 



projectiles, _ 538 



List of premiums awarded at the 28th fair, 113 



Locomotive feed water and surface heater, 189 



M. 

 Magnetism, - 530 



Mammoth pie plant,. . _ 251 



vegetables,... 251, 302 



