LIST OF ILLUSTRATIONS IN THE TEXT. 
AL 
Sketch-map showing outcrop of oil-bearing strata, Northern Punjab . ma 
Showing in-dipping of Kuldana beds under limestone ridges 5 : 8 
Section of rocks surrounding main oil-springs north of Golra : : 9 
Section through oil-spring near the Mosque Dheri Shah : : sual O, 
Section showing Upper Nummulitic, by road to Murree ‘ 15 
Fic. 6a.—Section across the Oil Anticline of the Sil and Basala 
confluence 3 18 
Fig. 66.—Section across ei: Dearie beds at the feoafluence ee Sil River 
and Basala River. : . ; P 18 
Lundegar Hill, showing occurrence of Rock Tar 3 i 19 
Sandstone and Sandy Clays superficially impregnated with Bitumen : 20 
Diagram of Percentage Output of Copper . : : : 3 : 34 
Geological Map of the British Isles. ; 3 3 : : : 43 
Restoration of the skull of a eae wildi : : : é : 71 
Oil Region of Jaba : ‘ : 75 
Four sections, showing oil rantis in Numimnlitic Pamestone 3 : 76 
Nummulitic limestone overlying sandstone formation : : j 78 
Nummulitic limestone near Lheri Saidan . : : : A : 78 
Nummulitic limestone near Kallar Kahar . 5 : é 719 
Diagrammatic representation of three cycles of cedimentation : a iy ake) 
Type of sedimentation around a contemporaneous object. 6 5 IG 
Diffusion of silver nitrate in an unequally stressed gel. F j wy li22 
Liesegang rhythms C 5 : . 62 8S cop} 
Shaped course of anticlines, Chamba remy : Z : . 127, 129 
Cycles of sedimentation—Paris Basin . : : : d . 147 
Cycles of seaimeniaeion es insnene Basin : : 5 ee 
Diagrammatic sketch of a “ pipe ’’ in Carboniferous Lewentane : 6 Gd 
Diagrammatic sketch of a cavity in Carboniferous Limestone 5 G2 
Junction of Peldar Tor porphyroid (c) and dolerite dyke (5) ce alitis 
Diagrammatic plan of quarry floor showing laminated marginal eHeets 174 
Peldar Tor Quarry, showing marginal lamination : : . 6 Wee) 
“ Track-chart,”? Glaciation of Ireland 3 A A 4 : 5 190 
Cyclse of sedimentation—London and Belgian Basins : : 5 Je 
Map of district of voleano of Dereiba 3 ; : : : a AVY 
Tertiary Gravels of Western Buchan. : : : : : Sail: 
The Buchan Ridge . : é : : : : gli eee 
Section along the shore at Sleaford Bay A i f 2 : Zl 
Sillimanite forming border to spinel grain . A : ; : » 255 
Hercynite forming deep-green core to garnet grain. 5 : ZO 
Chert-nodules in shaly, laminated limestone ; : j ; . 268 
Chert-nodule, Lovers’ Walk, Matlock Bath ‘ é i ; . 268 
Garnet gneiss, Sleaford Bay . : : : : : : 5) ails! 
Orographic map of Northern Sinai. . ; : . 340 
Geological map of the Maghara range and neinbourlinod . : . 343 
Ambulacral plates of various Paleozoic Echinoids . 5 : 5 Bae 
