to be commended, as apart from the possibility of punching too 
deeply there is also the danger of raising the bark. 
To cope against the partial coagulation of the latex in collecting 
cups, which sometimes came in in clots, and could not therefore 
be strained and represented so much scrap, we have used a very 
weak solution of Formalin, this does no harm and answers the pur- 
pose admirably. 
Pending the completion of a drying chamber the difficulty of 
mould has been very* troublesome, but a good deal of excellent 
"biscuit” has been prepared with the Ca I kdunv Chloride process 
in almeirahs and cabinets. 
