350 
APPENDIX. 
necessity of creating new branches of industry among 
us : I pointed out the importance of the produce of 
cocoons, and the necessity of augmenting it. 
I thought, when a general peace was proclaimed, 
and maritime commerce was free, expecially that 
connected with the Black Sea, that we should with 
difficulty encounter competition in the foreign com 
markets. I stated my motives. This object appeared 
to me worthy the inquiry of the politician and the 
philosopher. 
I had not then thought much upon the production 
of cocoons, because I had not personally entered into 
the cultivation of the silk-worm. However, my asser- 
tions were founded, at that time, upon an important 
series of facts. 
I can now demonstrate in what the gain and profit 
of the proprietor and cultivator consist ; if they both 
attend to the proper culture of the mulberry-tree, and 
cultivation of the silk-worm. 
It is a certain fact, that if these insects are well 
managed, 21 pounds of mulberry-leaves will be suf- 
ficient to obtain a pound and a half of cocoons (Chap. 
XIV.); 21,000 pounds of leaves will then yield 1500 
pounds of cocoons, 750 of which should belong to 
the proprietor, and 750 pounds to the cultivator. 
The 750 pounds of the proprietor will cost him the 
rent of the ground occupied by the trees that yield the 
leaf, and the interest of the capital employed in the 
advances made for having these mulberry-trees. 
The 750 pounds of the cultivator cost him the price 
