82 
Bed No. 5.—-Only the stalactitic concretions were avail- 
able for examination from this geological horizon. The 
particular example shown me by Capt. White is 8 inches in 
length and numerously branched, reticulated and denticu- 
Torrens near Adelaide. They were also present in the alluvial 
bed, exposed under marine deposits, i 
o 
probably laid down as river wash. 
Bed No. 6.—The white sand which formed the lowest 
bed in the section, and was not bottomed, has all the appear- 
ance of a wind-blown sand. It contains no organic remains, 
is of uniform grain, and is practically free from any cementing 
agent. In the excavation it had the character of a running 
sand which flowed in as fast as it was shovelled out and 
stopped all further sinking. It was probably formed as an 
pot sand dune, the base of which is below the present sea 
evel. 
THE Stone IuPLEMENTS. 
. The stones showing aboriginal workmanship were of three 
kinds: pounding-stones or cores, a hammer-stone, and à 
fabricator. 
of siliceous rocks. Four of these have been obtained uen 
boulders of quartzite washed down from the hills in the vicinity 
of Adelaide. The fifth is a silieeous rock, of coarser gram» 
and t : four 
... © Howchin : "Remarks on a Geological Section at the new 
E iv. Glanville, i ien soa olérehico to a suppor 
B Austr. ; vol. x. (1887), p. A. Sea Level" (Trans 
