VI 11. 
JoTTR. Hoy. Soc., Western Australia, V^ol. XXVIT. 
13tii May, 1041 — 
Paper — Mineralogy of the Donnyitrook Sandstone.” Dr. Dorothy Carroll. 
palk — Artificial Hadio-activity and some Applications.” Mr. J. L. Farrant. 
10th dUNE, 1041 — 
“ The Geology and F'hysiography of the Gosnells Area.” Mr. C'. E. S. Davis. 
The Geology and I’hysiography of the Wongtingd'ardnp Area.” Mr. B. P. Thompson, 
commnnicated by Bf- E. 'I'- Pridor. 
“ X-niy Analysis (by the •|)o\vder methtjd) anri Microscopic Examination of the Weather- 
ing Proiiucta of the Gingin Djjpcr Greensand.” Mr. "W. F. Cole. 
Ocean Birds of Perth Beaches.” Mr. L. Glaiiert. 
K.ihihits— Mr. Glanert exhibited fragments of hioceramm slu‘11 from a depth of 550 feet 
l)elo\v the surface Woomerangie No. 1 Bore Tomala Station, Shark Buy, sug- 
gesting the ]>resence of Gingin chalk. Dr. Prider exhibited specimens of Sericite 
Schicit closely resembling Cardup Slate, collected at Black Boy Hill by Mr. J. E. 
