WESTERN AUSTRALIA 
215 
a rough broken deep-coloured bark, whilst that of the latter is 
smooth, clean, and of light colour, yet when seen in the 
log they are so similar in appearance that it is difficult to 
distinguish them, although karri has a rather more wavy 
Fig. 31. — Showing the open- 
ing out of a section from <a 
Eucalyptus log after lying in 
a dry place for four months. 
FiQ. 32. — The same section 
of Eucalyptus log as shown in 
Fig. 31 after being in water 
for three weeks. The cracks 
have mostly closed up, but the 
right-hand top corner broke off 
when being lifted out of the 
water. 
grain than jarrali. A fairly reliable and easy test is by 
the ash. A splinter of jarrah when burnt gives a firm 
black ash, whilst one from karri gives a woolly white ash. 
The Woods and Forests Department of the colony will, how- 
ever, if required by the purchaser, have the timber branded 
with a distinctive mark at a small extra cost. The sapwood 
in jarrah and karri is a liglit red colour, but is not 
generally more than an inch in thickness. 
Notwithstanding what has been claimed as to jarrah and 
