larger ‘species is certainly identical with the acarns 
found doing such serious damage to the growin 
ne i ensland, and which is unnamed, but ought fairly to be 
Tarsonymus Bancrofti. Dr. Bancroft evidently had not sufficient 
rallied 7 : ; Meo : Pact i 
knowledge of the Acarina to know what family his mite belonged to, 
but he appended drawings to his report, which are good, and render 
st commencing, and even the neighbouring canes which still 
^ 
appeared healthy, so as to ascertain, if possible, which creature com- 
 mences the evil. If he has not the means of doing this I should be 
ith regard to the important questions of how to cure the evil the 
robably be applicable to the Dameus and the 
ob : 
owdered sulphur in soap and water is also 
e. ; st 
By er e i 
instead of applying the remed once only, to do so two or-th i 
oe 
b AR 
inte 
ough the larvæ and adults may be destroyed, the eggs survive; and 
to ren clear the plant it is necessary to catch the larvæ when they 
emerge from these eggs. Of course, infected débris should be burned, 
_ As Mr. Michael’s very complete investigation also incidentally clears 
p what was doubtful in the long mysterious “Red Rust” of the 
Queensland canes, it will be convenient to reprint here, from the Kew. 
reports for 1877 and 1878, the account there given of its investigation. 
Exrracr 
: 
from the “Report on the Progress and Condition of the 
oyal Gardens, Kew, during the year 1877," pp. 37-38. Sarl T 
uos PORE br. | Sugar-etne Disease, Ed 
_ The disease which I mentioned in my last 
‘ın my tast report as having inflicted —— — 
anjury on the sugar-cane in Queensland (where it is. known as 
©) has engaged a Sood deal of our attention. — The examination — 
umerous documents, bot | printed and written, w} 
