45 
GEOLOGICAL MEMORANDA (FIRST CONTRIBUTION). 
By Proressor WALTER Howcnik. 
Subjects 
I. The "Sarsen" Stones of South Australia. 
II. Pumice and other Substances occurring as Sea-drift near 
Cape Banks. 
III. Salt, a Cause Mechanical Disintegration of Rocks in 
egio 
a Wodatar Barytes of Peculiar Forms from Central 
Australia 
[Read June 12, 1919.] 
PLATE IX. 
I. ihm "SARSEN'" STONES OF SoUTH AUSTRALIA. 
shape, several feet in thickness, and up to 10 fü. or 15 ft. in 
u d appeared 
people as though dropped p over the landscape. 
e name by which they are generally known is ~~ of 
Sarsen,” or “sarsden” stones, which is supposed t a 
colloquial abbreviation of the word Saracen, a ial cm 
ace 
of superstitious terror in southern and western Europe.) As 
these stones are often seen. in groups, ei at a distance red the 
i e 
Second circle, at Stonehenge is construc 
indeed, t was no other geological cares in the country 
a size 
that yielded stomes anything like so great 
(1) edi explanations have been given as to ihe origin of the 
Word. Sars By nid to be a | a. Phoenician ian word, meanin | a stone, 
time 
t may e. p 
amt visited Engla id. The early y Ch hies n Saxons d og 
i idiot ju f n or mn.” 
A corruption rtl fido word. poran m e w 
