ILLLUSTRATIONS. 



FIGURE PAGE 



1 Woburn or Bedford Hog 25 



2 Celebrated Heifer Columbiana 41 



3 Plan of Enclosing land 52 



4 Front view of Colonel Smith's Barn, Philadelphia county 56 



5 Rear view of ditto 57 



6 Ground plan of ditto 56 



7 Silk-worm in the act of throwing out Silk 59 



8 Silk- worm forming the cocoon 60 



9 Feeding shelves 60 



10 Rasp f(jr crushing the sugar-beet and other roots 68 



11-18 Eight Illustrations of Lightning Rods 75 



19-22 Four representations of wheat in its different stages of growth 88 



23-24 Improved Drill for seeds 120 



25 A Barrow-hoe 122 



26 Marl Indicator 124 



27 Prouty and Mears'Cast Iron Plough 163 



28-32 Five Specimens of Wheat 211 



33 Corn and Seed Planter 252 



34 Apparatus for Boring for Water 269 



35 Section of a Milk-house 276 



36 Ground plan of ditto 276 



37 Plan of a Piggery 305 



38 Green's Straw cutter 324 



39-47 Nine Electrical Conductors 346 



4S-49 Kentucky Bee Flouse 349 



50-52 Cattle Collars, &c 354 



53 Ames' Threshing Machine 381 



3 



