Trans, and Proc. Roy. Soc. S. Austr., 1923. 



Vol. XLVIL, Plate VIII. 



Fig. 1. Atriphw ciiicrciiiii on shore forming mounds of drift sand. 



Fig. 2. Foreground, travertine plateau, Mcscin. aiistralr. .Itriplc. 

 cincrcKin. etc, Middle Pearson behind. 



CiillinglKini. Suaiiii iK: t'o. l-td., Printers, Adelaide 



