Proceedings of the Royal Society of Victoria. 133 



phic rocks of the country. Until it could be proved by 

 boring that those sections did lie on the mesozoic rocks, he 

 preferred to suspend his opinion. In the district of the 

 Wannon, the mesozoic rocks did not depart from the hori- 

 zontal. He thought the level of G40 feet of the tertiary 

 beds of Hamilton was not correct, as the highest point tested 

 by the aneroid which they reached, was 450 feet. The 

 highest point of Hamilton (the meteorological station) was 

 640 feet. That level was basalt, and it rested upon the 

 tertiary beds. He would like to know if Mr. Griffiths had 

 ever seen the fresh water spring at Cape Bridgewater. He 

 once asked a fisherman to take bim out to see it, but after 

 starting, the man confessed he did not know where it was. 

 He believed that a gentleman (now deceased), who was 

 formerly well known as an advocate of a canal in that part 

 of the country, relied a great deal on this welling out of 

 fresh water. 



After some remarks from Messrs. Jackson and Marks, 



Mr. Geiffiths, in reply, said as to the origin of the rocks 

 referred to by Mr. Marks, that no a3olian rocks had been 

 pierced by the bore, there could be no doubt that a large 

 quantity of the coast rock was of ?eolian origin. There could 

 be seen at the present time, heaped up shell fragments, 

 forming sand dunes, which are being gradually cemented 

 together by rain water carrying a certain amount of acid. 

 That being so, Mr. Tennison Woods was so far quite right. 

 As to the discussion whether certain rocks were sedimentary 

 or aeolian beds, he did not think it necessary to say anything 

 on the subject, seeing that the rocks referred to by 

 Mr. Woods, were not found near Warrnambool. He had 

 not seen the spring of fresh water near Cape Bridgewater, 

 but had only heard of it. It did not create in his mind any 

 very great degree of surprise, because similar springs were 

 common elsewliere. There was a very large spring of fresh 

 water off the coast of Cuba. He had seen similar, but 

 smaller, springs a few yards from the coast. The occurrence 

 of calcite in caves, might be expected when it had been 

 exposed above sea level. It was also common to find beds 

 of calcite perforated by caves. It might have been unwise 

 to apply the terms " gault " or " green sand," excepting to 

 cretaceous beds. These terms were used by him in the 

 paper, simply to describe the kind of rock that was passed 

 through by the bore. The rock bore strong resemblance to 



