X 
PREFACE. 
the Bulletin Universalle of April, 1825. After 
detailing the introduction of several plants 
lately raised in Sweden, it adds, “ That 
“ similar motives have instigated the en- 
“ couragement of the growth of silk in this 
“ country ; the idea, indeed, is not new, 
“ and experiments made long ago pre- 
“ sented encouraging results, though it 
“ appears that until the present moment 
“ the attempt has never been seriously 
“ made. Experiments made during the 
“ last year (1823) in Stockholm, for the 
“ purpose of discovering some indigenous 
“ tree capable of nourishing the Silk- 
“ Worm, have procured silk of very fine 
“ quality. The culture of the mulberry- 
“ tree is extending itself in the provinces 
“ and important communications on the 
“ most convenient mode of rearing the 
“ worm have been generally promulgated. 
“ The silk so produced in Sweden has 
“ confirmed, in the amplest manner, the 
“ remark formerly made on the superior 
“ fineness and solidity of silk grown in 
“ the north, compared with that from* 
“ more temperate climes ; a fact that has 
