442 



APPENDIX. 



will be, the one the Imperial and the other tlie Scotch acres, 

 corresponding to each other ; thus, 54v60 Imperial acres 

 make 43-560 Scotch, and 36-300 Scotch acres make 45-633 

 Imperial; hut these mmihers are not always exact, for the 

 given distance will not produce an even number of trees with- 

 out fractions, the expressing of which in the colimin of plants 

 would not be proper ; it is therefore omitted. 



