382 REPORTS ON THE STATE OF SCIENCE, ETC. 



7846 (21) Stone Court Gravel Pit, Dartford Heath Gravel on Thanet Sand. 



Cotton Lane, Greenhithe 1914. 



7847 (22) Stone Court Gravel Pit, Gravel on Chalk with pockets of Thanet 



Cotton Lane, Greenhithe Sand. 1914. 



7848 (22x) Stone Court, Gravel Pit, Method of working. 1914. 



Cotton Lane, Greenhithe 



7849 (23) Howe Hill Gravel Pit, Green- Gravel section on Chalk. 1914. 



hithe 



7850 (24) Howe Hill Gravel Pit, Green- Gravel section on Chalk. 1914. 



hithe 



7851 (25) Castle Cross Gravel Pit, Dartford Heath Gravel on Chalk. 1914. 



Greenhithe 



7852 (26) Martin's Pit, Horn's Cross, Dartford Heath Gravel. 1914. 



Greenhithe 



Middlesex. — Photographed by the late T. W. Keader and presented by 



F. W. Reader. 1/4. 



7853 Ponder's End 



Low level gravels near station. 1909. 



Oxfordshire. — Photographed by the late T. W. Reader and presented by 



F. W. Reader. 1/4. 



1 ) Vicarage Quarry, Headington . Corallian section. 1915. 



2) Vicarage Quarry, Headington. Corallian section. 1915. 



3) Vicarage Quarry, Headington. Upper Corallian section. Lower Calcareous 



Grit at base. 1915. 



4) Vicarage Quarry, Headington. Corallian section (detail). 1915. 



5) Vicarage Quarry, Headington. Upper CoralUan section, Lower Calcareous 



Grit at base. 1915. 



6) Windmill Road Quarry, Head- Coralhan section. 1915. 

 inston 



7) Windmill Road Quarry, Head- Corallian section. 1915. 

 ington 



8) St. Ebba's Priorv, Headington Junction Kimmeridge Clay and Upper 



Corallian. 1915. 



Kimmeridge Clay — rotundum to virgatites 



zones. 1915. 

 General view of brickyard — Shotover 



Sand on Kimmeridge Clay. 1915. 

 Shotover Sand ( = Hastings Sand) on 

 Portland Sand. 1915. 

 . Shotover Sand ( = Hastings Sand) on 

 Portland Sand. 1915. 

 Shotover Ironsand on Upper Portland 



Sand. 1915. 

 Shotover Sand ( = Hastings Sand) on 

 Portland Sand. 1915. 

 . Doggers in Kimmeridge sand {pectinatus 



zone). 1915. 

 . Shotover Sand with doggers. 1915. 

 . Portlandian and Upper Kimmeridge Clay 

 section. 1915. 



7871 (18) Pishill, Hollandridge, near Double tabular flints in joint planes of 

 Henley chalk. 1915. 



7854 

 7855 

 7856 



7857 

 7858 



7859 



7860 



7861 



7862 



7863 



7864 



7865 



7866 



7867 



7868 



7869 

 7870 



9) Shotover Brick Works 



10) Shotover . 



11) Top of Shotover Hill 



12) Top of Shotover Hill 



13) Shotover . 



14) Top of Shotover HUl 



15) Shotover Brickyard 



16) Shotover . 



17) Shotover . 



Shropshire. — Photographed by the late T. W. Reader and presented by 



F. W. Reader. 1/4. 



7872 Harley Hill, Wenlock Edge. . Bubbly Wenlock Limestone. 



I 



