THE JOURNAL 
OF THE 
NATURAL HISTORY AND SCIENCE SOCIETY 
OF 
WESTERN AUSTRALIA. 
VOL. v. 
Two New Methods of Weighing the Cornets in the Assay 
of Gold Bullion. By A. Octavius Watkins,* A.R.S.M., 
F.G.S. (Read October 8th, 1912.) Printed in full in the 
Chemical News, November 12th, 1912. 
Colour Photography. By C. G. Thorp, M.B., C.M. (Read 
November nth, 1912.) 
An Outline of the Work of the Newly-formed Astronomical 
Society of Western Australia. By H. B. Curlewis.t 
B.A., F.R.A.S. (Read December 10th, 1912.) 
Modern Investigations of Problems connected with Sea 
Fisheries. By W. B. Alexander, B.A. (Read February 
nth, 1913.) 
Description of a Rock Shelter with Aboriginal Markings, 
and an Indurated Cast of a Footprint at the Green- 
ough River, and a Cave Dwelling at Narandagy Spring, 
Lockier River. By W. D. Campbell, A.K.C., F.G.S. , 
A.M.I.C.E., L.S. (Read March nth, 1913.) 
This rock shelter is situated about 23 miles east of Geraldton 
and is in the Greenough River district. It is two chains within 
the north boundary of Loc. 2,989, and 15 chains east of the 
south-west corner of Loc. 2,160, and is one mile south of the 
permanent spring of water now known as “ Sandspring,’’ where 
the homestead of that name is situated. 
* Assayer to the Perth M int. 
t Acting Government Astronomer. 
