EXPLANATION OF PLATES. 



vii 



PLATE 12. p. 292. 



Cattle. 



1, Short-Horned Bull. 



2, Ayrshire Cow. 



3, Devon Bull, 2 years old. 



PLATE 13. p. 638. 



Horsc$. 



a, Arabian. 



b, English Racer. 



c, English Hunter. 



d y English Improved Hackney. 

 e, English Black Horse. 

 /, English Draught Mare. 



f, Suffolk Punch. 

 , Clydesdale Horse, 

 i, Irish Racer. 

 k, Shetland Pony. 



PLATE 14. p. 421. 



Grain Drills. 



1, Cooke's Grain Drill. 



2, The same arranged as a Horse Hoe, or 

 Cultivator. 



3, Suffolk Corn and Manure Drill. 



4, Groundsell's Patent Drop Drill. 



5, Pennock's Grain Drill. 



PLATE 15. 



Harroivs, Extirpators, and Scarifiers. 



1, Gang of Harrows. 



2, Berwickshire Harrow. 



3, Biddell's Extirpating Harrow. 



4, Harrow Tooth. 



5, Finlayson's Self-cleaning Cultivator, or 

 Scarifier. 



PLATE 16. p. 667. 

 Destructive Insects, $c. 

 1, The OakPruner (Elaphidion putator). 



See 



BORERS, page 205. 



2, Locust Tree Borer (Clytus flexuosus). See 

 page 206. 



Potato-vine Bug (Cnociri* trilineata). 



4, Cucumber Flea (Haltica striolata). Mag- 

 nified. See pages 172 and 173. 



5, May Beetle, or Dor Bug (PhyUophaga 

 quercina). See pages 172, 173. 



6, Pine Tree Weevil (Hylobius pales'). A 

 most destructive insect to the Southern pine 

 forests. See WEEVILS. 



7, Moth of the Corn Cut- Worm (Agrotis 

 clandestina). See CUT- WORM. 



8, Female Fly of the Peach Tree Worm 

 (JEgeria exitiosa). See PEAR TREE BORER. 



9, Bee, or Wax Moth (Gallerea cerawa). See 

 page 168. 



The three insects which follow are to be re- 

 garded as friendly to the interests of man, as 

 they prey upon those which are destructive. 



10, Caravus Gorgi, one of a large family 

 which preys upon caterpillars, &c. 



11, Lady Bird, or Lady Bug (Cocdnella borea- 

 fi). This insect lives upon plant-lice and 

 other injurious insects. 



12, Trogus Fulvis, an insect of the Ichneu- 

 mon Family, which commit great havoc among 

 caterpillars and grubs. See ICHNEUMON FLIES. 



N. B. Most of the subjects of this plate were 

 furnished expressly for this work by Professor 

 Haldeman, of Marietta, Pennsylvania, and 

 drawn under his inspection by Miss Lawson, 

 of Philadelphia. 



PLATE 17. p. 902. 

 Ploughs. 



\ The Holland, or Rotterdam Plough. 



b, Small's Chain Plough. 



c, d, East Lothian Plough, two views, with 

 scale of feet, &c. 



e, English Swing Plough. 



/, Skeleton Plough of Kent. 



g, Subsoil Ploughing. 



A, English Plough Head. 



i, Scotch Plough Head. 



k, Ploughshare for Stony Ground. 



/, Ploughshare for Clear Ground. 



m, m, Skim Coulters. 



n, Wheel Coulters. 



o, Smith's Subsoil Plough. 



