Trans. R. Dub. Soc., N.S., Vol. III. Plate VIII. 
Fig 1. SKETCH MAP, 
Showing position of the 
DERIVATIVE LANDS AND AREAS OF DEPOSITION 
at the close of the 
CARBONIFEROUS EPOCII. 
pees 
TEE | 
+ 
S 
ey 
eee 7 C~ 
oN. Tropic le of 
0 60 
| 
Land-areas. | Submerged areas 
Dotted boundaries uncertain. 
Diagrammatic Sections to illustrate the mode of Distribution 
of the Carboniferous and Lower Silurian Strata on both 
sides of the N. Atlantic Ocean. 
ENE BRITIsH UO & 
NORTH AMERICA NWor sw 
Eastern States 
FgiCARBONIFEROUS STRATA. 
LOWER SILURIAN STRATA. 
AA. Atlantic Sea-bord. Eennlepoareens Strata. Sedimentary Strata. 
ForSTER & Co., Lith., DUBLIN 
