THE GEOLOGIST. 
Great Conglomerate. 
Upper Sandstones. 
Cephalaspis asterolepis and C 
Li/ellii, Fteraspis Lloydii (1). . 
Cephalaspis Lyellii, Fteraspis\ 
Lloydiiy and P. Lewisii. S 
CepJialaspis Lyellii (1) and C' 
MurcJiisoni, Fteraspis rostra- 
tus and P. Banksii. 
Fteraspis truncatus, P. Banksii,'~\ 
and P. rostratus, Cephalaspis > 
Saliveyii, C. Lyellii {?J, Auch- > 
enuspis Salteri. J 
Fteraspis Litdemis. 
Upper Comstones. 
Grits and Sandstones, 
O 
X Lower Comstones. 
Grits. 
Upper TUestones, 
Lower Tilestones. 
Downton Sandstones. 
Upper Ludlow Rocks. 
Fteraspis Ludensis. 
Aymestry Limestone. 
Lower Ludlow Rocks. 
m 
