388 Printing upon Zince 
pletely decomposed in the course of the fermentation. It is 
probable that this would not have been the case without the 
sugar and the eggs. ‘To obtain a leaven which will answer 
for future batches, reserve a portion of the dough, pour on it 
= second half of the decoction of hops, previously heated, 
add the same quantity of sugar, ane! F Spee and flour 
bs before ; knead the whole with a rmer leaven 
and let it rise inthe trough. Nee but four need afterwards 
be added.— Bul. de Sciences, Sept. 18 
ae Method of making Soup of bones, as practiced in the 
tpellier~—The various means of extracting 
gelatine, hitherts published, require no inconsiderahle atten- 
tion and expense. The managers of the hospital of Montpel- 
i, have RAR Te in a more economical method ; namely— 
: are broken with a hatchet into pieces from an 
inch toan iach and a half long, with which an earthen pot is 
made two-thirds full, Water is then added, an earthen cover 
is adjusted, and the potis placed in an oven immediately after 
batch is withdrawn. After remaining four hours, the pot 
is found to contain Pape fat and gelatinous soup. ‘This being 
/ po ‘ ain gee with mee p aced ee a 
fords a a very nutricious and supra article of diet. fs kil- 
tggrainease of bones extracted from coarse meat, produce 
twenty-one killogrammes of broth, which is a sufficient quanti- 
ty for dealing out to four hundred and forty of the pape 
poor. 
There is no process which requires less skill and is is more 
economical, moe i saves even the expense of fuel. Bulletin 
ere Nov. 1 4, 
tural monuments which will consist of tw venty sient: The 
drawings are made upon zinc as upon stone, and the ex- 
pense of engraving is thus avoided, The editor is in conse- 
quence able to sell each number containing twelve folio 
