286 



Index. 



PAGE. 



Morgan &. Harris' patent 72 



Morgan, J. E., harrow 251 



Morton, J. C, experiments in draught 



of plows 157, 161. 164 



Mould-board. F. F. Holbrook's .' 128 



G. Davis' 72 



Mr. Jefferson's 23,32, 33 



Rham's 62 



should be adapted to the soil. 150 



Stephens' construction 51 



twist of, splits the furrow slice 151 

 Newbold, Chas., first cast-iron plow 



in America 66 



New York State Agricultural Society, 



trial draught plows, 1850 158 



Nishwitz, F., harrow 253 



Nourse, Joel 91 



Eagle plow 93 



Patrick, M., patent 72 



Peacock. David, patent 1807 69 



1817 72 



Pease, Horace, patent 72 



Peekskill plow 101 



Phifer's cultivator 256 



Pickering, T., letter on lines of the 



plow, 1820 69 



Plants, growth and food of 136 



Piatt, H. M., Screw-Auger plow, '58. 127 



Plow of Asia Minor 8 



Berkshire 17 



Brands' 22 



British 9 



Burch's 249 



Burden, Henry 90 



Chinese 13 



Collins & Co., B 14 213 



Collins & Co., C 3 234 



East Indian 10 



East Lothian 35 



Egyptian, ancient 8 



now in use 12 



English, A. D. 1470 13 



Four-coultered 18 



French (Canadian) 16 



Grant's lona 129 



Hawks' Ditching 243 



Hingham's Self-holding 91 



Hitchcock,', David s 91 



Holbrook's No. 65 210 



No. 66 213 



No. 69 224 



No. 6 Swivel 248 



Mr. Jefferson's. 23 



Lanarkshire 50 



McCormick's 99 



Mexican 12 



Mid-Lothian 51 



Modern English 59 



Newbold's, Charles 66 



Nourse's, Joel, Eagle 93 



Peekskill 101 



Front's Ditching 243 



Piatt, H. M., Screw-Auger . . . 127 



Roman 9 



Rotherham 16 



Saxon, eleventh century 14 



Plow, Side-hill 248 



Small, James 35 



Steel, for alluvial land 246 



Sod and Subsoil 239 



Webster, Daniel 103 



Wilkie's 50 



Wood, Jethroj 72 



improved 1819 84 



Plows, draught of 154 



comparison, different soils 157 



J. C. Morton's experiments . . 157 



161, 164 



Philip Pusey's experiments. . . 155 



161, 163, 177 



ratio to depth 160 



ratio to velocity 163 



trials of, by N.T.S.A.S., 1850. 158 

 (See" Supplementary Trials.") 



list of entries 209 



rules for trials 205 



Sod, for stiff soils 210 



Stubble, for stiff soils 211 



Plowing, adjustment for turning under 



weeds, etc 198 



attachment of the team 193 



crested furrow 89 



flat furrow 191 



lap furrows, use of 185 



proportion of depth to 



width 187 



left hand 201 



Plowing, objects of, enumerated . 148 



sod and subsoil 190 



stubble 192 



without dead furrows 191 



Programme of trials 204 



Prouty, David 100 



Pulverization 149 



Pusey, Philip, experiments on draught 



of plows 155, 161, 163, 177 



Ransome, Robert, improvement 60 



case-hardened or chilled shares 60 



Rham, Rev. W. L., lines for plow. . . 62 



Roberts', M. L., invention 127 



Roman plow 9 



Roots of plants, extent of 144 



Rotherham plow 16 



Routt's, A. P., Ditching plow 243 



Rules of trials 204 



Saxon plow, eleventh century 14 



Seltz , John, patent 72 



Small's, James, plows 35 



Smith, Aaron, patent 1844 Ill 



Col. John, cast share 68 



Soil, absorbing power 139 



mechanical condition 139 



deepening of 218 



Soils, Vcelcker's experiments 139 



Way's experiments 139 



Stephens'. Mr., construction of mould- 

 board 51 



experiments on draught of 



coulter 182 



Stevens, Edwin A., improvement.. . 89 



Stubble, to turn under 198 



Subsoil , attachment to plow 241 



