54 
KIVKK TKKKACKS OF TIIK MAKirSYKNONG KIVEK, VICTORIA 
Poi’t, I'liillip Hay liotli cuKt and vvohI of the outlet, into the liay of 
th(i e.onlliicnl. Maril)ynion^' and Yarra liivers. 
'rii(? Mai'ihyrnonj^ valhfy and its fluviatile depoHits downstream 
from Dry (h-(!ck have heen (ixamined, and tlie levels of the terraces 
and lavin' Ixul determined. 'Phe datum to which heif^hts are 
referred is low watei' mark at Williamstown (th<> datum com- 
monly used in Victoria) and rid’erred to hei'eaftei' as L.W.M. 
mean diui'iial ran^i^ of tidii at Williamstown is 2 feet. 
Hene.h marks have heen lixed hy the Victorian Railways Dejiart- 
ment, and the rountry lioads Hoard at points hetween Dry 
(Ireek and the Hay. Hetween thesi; oflicial Ixnich marks, at 
ird.ervals of about hOO yards, sid)sidiary lunich mai'ks were ti.xed 
with a dumpy level, and tlu* heifj;hts of the terraces ascei'tained 
from th(‘se hy us with an Ahney level. Where our levels of the 
terraces were checked hy moi'e e.xact met hods, our error was found 
t,o l)(^ less t han a foot. 
II iKJiiios’s Sano Hi r and tiik Ad.ioininu Ahka 
'The human remains wrn'e associated (1*1. XV, Fi)j;. 2) with a 
sinuous hand of };i'eyish-red sand, about two inches thick, in which 
ai’(> I bin layers of I'alcined hones, ashes, and frae;m('nts of red 
ochre, indii'atinj^ an occu])ational level, d’hin layers of ash, a few 
feel, Ion;;', wei'e observed on tlu> south sidi' of tlu* pit, about 4 feet 
above its lloor hut not elsewhei'e. I *rot rudin;i; fi'om tlui two-inch 
hand a (piart/,ile llak(‘ was found hy Hrofessor H. S. Hills of 
Melbourne Universily, wliih* he was inspecting it with us; the 
Hake is illustrated hy Mahony (15)12). Many small Hakes found 
on the Hour <d’ the pit, may havi* come frotn the ti'ri'ac.e sands, or 
have, fallen fi'om the sui'face when sand was being removed. 
'The sand forming the Indk of the teri'ace consists of small, well 
roimdi'd <|uarty, grains, together with some larger, less rounded 
grains; in addition there is suHicient clay to Itind the whole into a 
compacted mass. Helow tlu; tloor of the pit, the sand becomes 
coai’sei', and the hasi' of the terrace, where visible on the hank of 
the rivi'i', is composed (d’ coarsi' sand, grit, j)ehbles, and lioulders. 
H’h(‘ three ti'rraci's — tlu^ Keilor, Hi'ayhroitk, and Marihyrnong 
'Pei-races in Di'y ( h'i'ek, have heen mapped (h^g. 2) hy us. HMieir 
surfaces are respe(*t ively 15 f('et, !58 feet, and 27 feet above the bed 
of tlu' River. H’lu' surface (d’ the Keilor hdood Plain is U)3 feet 
above L.W.M. 
In Dry th'ei'k, tlu' Kidlor Hk'i'i'ace was originally over 150 yards 
wide and :>2 fi'et thick, hut it has been I'l'duced in width and 
t.hickne.ss hv ei'osion; it, is best pi'i'served on the west side of the 
(Ireek. 
