Plate IV. 



ANALYTICAL. SECTIONS OF MOULD-BOARDS. 



Fig. 119. TZ''? J^V ester n Fifeshire. Fig. 120. 



Ranso?ne's F F. 



ji c ~Tr 



Fig. 127. 



The Nezo Mai/ld-BnaiYl. 

 (Figs. 123-128.) 



Fig. 128. 



