Geology and Natural History. 137 
the top of this box pass the two sockets which support the pans. 
e latter are six or more inches in diameter, movable and nickel 
where considerable accuracy is required. Becker & Sons make 
several sizes ; the one referred to is the smallest, and costs $32. 
8. W. J. 
II. Geotogy anp Natura History. 
1. On Tin discoveries in. Queensland. Report by Mr. T. F. 
REGORY, Mineral Land Commissioner, dated Stanthorpe, July 2. 
—The general geographical area of the stanniferous country 
Within the colony of Queensland, so far as is at present known, 
mme 
fasterly direction back to Lucky-valley; the area comprised 
being, in round numbers, 550 square miles in extent. this 
f ever, only about 225 square miles have hitherto been 
und sufficiently rich in tin ore to pay for working, and, conse- 
quently, it is to this 
fspecially directed, although there are several instances of tin 
. . Th phy 
eeputry are mostly very steep and rugged 
“specially to the seh al eastward. O he ri 
courses which intersect this tract of country, it will be only neces- 
“ary for present purposes to refer to the Severn an 
48 it is on them that by far the greater portion of mineral wealth 
