92 FURTHER REMARKS ON AUSTRALIAN STROPHALOSLA, ETC. 
is the American Cretaceous form A. Piochii Gobb.? a ve gibbous — 
and thick shell through the valves, quite distinct from the Aus — 
tralian. | 
horizon the Queensland Cretaceous ‘series denominated y 
essrs. Daintree and Etheridge (Quart. Jour. Geo. Soc., 1872, 
fore still of great interest, is not, as I had previously conceived, 
It is none other than the Avicula H ughendenensis 
Aucella Hughendenensis, Etheridge, sp. To the description given 
above, the following additions and corrections must be made. 
1 Trans. Geol. Soc. P. ter. iv, t. 1 th 
? Pal. California ii, t. 32, f. 92, 
[Two plates, } 
