PREFACE. 
SI 
“ received the unanimous sanction of the 
“ members of the Royal Society of Com- 
“ merce, as well as of many silk manufac- 
“ turers. It supports the ordinary prepa- 
“ ration and dye equally with the best 
“ Indian silk, possessing the same bril- 
“ liancy and the same softness. The silk 
“ also that has been grown for the last few 
“ years in Bavaria, is superior to that pro- 
“ duced in Italy.” 
It is true enough, that experiments, even 
within the present year, have been tried; 
some with utter failure, others with consi- 
derable success; but none of them in 
buildings properly adapted to secure 
equal warmth and ventilation ; and it is 
satisfactory, from the great authority of 
this book, to collect that experiments so 
tried, and failing, must have equally 
failed, had they been tried in the same 
manner in any climate, or in any country 
of the world. 
The second question, whether a suffi- 
ciency of food can be procured in northern 
climates, and with sufficient certainty, is 
in a great measure answered by the fore- 
