Quart. Journ.Geol. Soc.Vol. XL. Pl. X. 
SEN TEE 
(Sear, 
Shaun 
gee 
ss 
Mi. 
AERIAL 
ROR Vy 
Cara: 
qanatnteces: 
nevi 
gaxe. LA PRP Ke yas Oe 
assy sora AR HY OTN 
« 
k 
\ 
eas 
PS UK COR SY EAR KTRAN NETS 
Mintern Bros. imp. 
M. Strickland del. et lith. 
TRACKS AND MARKINGS IN MUD. 
