376 



REPORTS ON THE STATE OF SCIENCE, ETC. 



7648 (2) Windmill Pit, Stone, near Aptian Sands, white, false-bedded and 



Aylesbury iron-staiaed. 1912. 



7649 (3) Windmill Pit, Stone, near Aptian Sands, white, false-bedded and 



Aylesbury iron-stained. 1912. 



7650 (4) Windmill Pit, Stone, near Aptian Sands, white, false-bedded and 



Aylesbury iron-stained. 1912. 



7651 (5) WindmUl Pit, Stone, near False-bedded white sand and overlying 



Aylesbury clay of Aptian Age. 1912. 



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



F. W. Reader. 1/4. 



Spring thrown out at junction of horn- 

 blende schist and Veryan Beds. 

 Shingle beach converting estuary into 



freshwater lake. 1913. 

 Shingle beach converting estuary into 



freshwater lake. 1913. 

 Shingle beach converting estuary into 

 freshwater lake. 1913. 

 . Well- jointed granite cliffs. 



Black dyke cutting serpentine. 1913. 

 Stack of serpentine. 1913. 

 . Dyke cutting serpentine. 

 . Folded Veryan Series. 1913. 

 . Disturbed Veryan Series. 1913. 

 . 1913. 



. Giant's Rock, erratic of microoline gneiss. 

 1913. 

 Imperfect cleavage in Menaccan Series 

 (L. Dev.). 1913. 



7664 (13) Baulk Head, Lizard 



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



F. W. Reader. 1/4. 



7672 (8) Tideswell Dale 



7673 (9) Tideswell Dale 



7674 (10) Crich Hill— Hilt's Quarry 



7675 (11) 'Old Quarry,' Crich 



7676 (12) Matlock Bath . 



7677 (13) Matlock Bath . 



7678 (14) Matlock Bath . 



7679 (15) Matlock Bath . 



7680 (16) Ible Quarry, off Via Gellia . 



7681 (17) 'Pig of Lead' Quarry, Via 



GelUa 



7682 (18) Ible, Wirksworth 



7683 (19) Ible, Wirksworth 



7684 (20) Winster .... 



Youl- Carboniferous Limestone cliff. 1914. 



Dale scenery. 1914. 



Typical dale scenery. 1914. 



Typical dale scenery. 1914. 



Spheroidal weathering of basalt. 1914. 



Carboniferous Limestone (Dj) with toad- 

 stone at base of cliff. 1914. 



Spheroidal lower lava overlain by lime- 

 stone. 1914. 



Clay rendered columnar by dolerite sill. 

 1914. 



Clay rendered columnar by dolerite sill. 

 1914. 



Do Limestone. 1914. 



Upper cherty part of D,. 1914. 



Tufa. 1914. 



Tufa. 1914. 



Tufa. 1914. 



Tufa. 1914. 



Irregular jointing in dolerite. 1914. 



Spheroidal weathering of lower lava. 

 1914. 



Sandy concretion (scrablag). 1914. 



Vein of chrysotile in dolerite. 1914, 



Chert beds. 1914. 



I 



