34i 



to be commended, as apart from -the possibility ot punching loo 

 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 Calicium-Chloride process 

 in almeirahs and cabinets. 



R . DERRY 



