On the Waianamatta Shales. 
By the Rev. J. E. Tentson-Woops, F.G.S.,F.L8., V.-Pres. Linn. 
Soc. N.S.W., Hon. Mem. Roy. Soc. N.S.W., Tasmania, 8. 
Australia, &., &c. 
[Read before the Royal Society of N.S.W., 4 July, 1883.] 
THE name of the Waianamatta beds has been given to a supposed 
group or series of strata which are said to lie above the Hawkes- 
bury sandstone. The name is derived from Waianamatta Creek, 
the native or aboriginal designation of South Creek, which, arising 
from the Cut Hills, joins the Hawkesbury River near Windsor. 
distances from both. 
Mr. Clarke's definition.—The following is the definition of Mr. 
Clarke, taken from the same edition of his “ Sedimentary Forma- 
tions,” p. 72: “ Waianamatta Beds.—The Hawkesbury rocks are 
succeeded by another group or series of strata named by me from 
enclosure of the former series, which must have been broken up 
m part, and denuded either completely before or during the 
i res. 
erosio: arramatta. These certainly prove a partial or general 
laid co before the whole series py ge Waianamatta strata were 
own. The nearest beds of the latter to the underlying 
Hawkesbury rocks are shales, which have occasionally filled in 
