ON THE ERRATIC BLOCKS OV ENGLAND, WALES, AND IRELAND. 213 



78. Apparently a broken fragment. Irregular shape, somewhat angular, 

 woi-n on one face. Carboniferous limestone, containing fossils (spiriforae) . 

 8 in. X 7 in. X 5 in. 



79. Ronghly rhomboidal, worn and smoothed. Sandstone : carboni. 

 ferous or oolite. 16 in. X 11^ in. X 8 in. 



80. Wedge-shaped, with flat, smoothed faces, and rounded angles. 

 Fine sandstone : probably oolitic. 8 in. x 7 in. X 5 in. 



81. Prismatic in shape, angles rounded, and faces smoothed, Coarsish, 

 loose sandstone. 13^ in. x 6 in. x 4j in. 



82. Broken end of a sandstone boulder, similar in character and 

 material to 81. 6^ in. x 6 in. X 3 in. 



83. Thick slab, one face perfectly flat and smooth, and opposite face 

 nearly so, angles ronnded. Sandstone. 15 in. .x 12 in, x 5^ in. 



84. Prismatic block, angles rounded, faces smoothed and worn. 

 Sandstone. 14 in. x 7 in. x 4^ in. 



85. Much worn and rounded. Slightly ferruginous sandstone : possibly 

 carboniferous. 20 in. (?) x 16 in. x 8 in. 



86. Rounded, worn. Ferruginous sandstone : probably neocomian. 

 12 in. (?) X 7 in. X 4 in. 



87. Prismatic, flat, smoothed faces, angles little worn. Ferruginous 

 sandstone: probably neocomian. 16 in. x 7 in, x 7 in. 



88. Much worn and smoothed. Ferruginous grit : probably neocomian. 

 20 in. X 14 in. x 7 in. 



89. Rounded, worn, pear-shaped. Limestone ; probably carboniferous. 

 15 in. X 11^ in. x 7 in. 



90. Worn, somewhat prismatic in shape, angles rounded and sides 

 flat. Basalt. 15 in. x 10 in. x 7h in, 



91. Much rounded and smoothed, almost to the extent of being 

 polished. Hard, white, fine-grained sandstone: probably carboniferous, 

 17 in, X 10 in. X 8 in. 



.. 92, Rounded and worn. Fine, compact sandstone, 9 in. x 6 in. 

 X 4 in. 



93. Broken fragment, smoothed on one face. Black limestone : 

 carboniferous. lOj in. X 8 in. x 5 in, 



94. Rhomboidal, faces flat, angles little worn. Ferruginous sandstone : 

 probably oolitic. 12 in, x 6 in. x 5|- in. 



95. Rectangular slab, upper face flat and smoothed, lower rather 

 rounded. Hard, rather ferruginous sandstone : probably oolitic. 12:^ in. 

 X 9 in. X 5^ in. 



96. Elongated rhomb, flat, smoothed surfaces, and angles rounded. 

 Hard sandstone: probably oolitic. 11|^ in, x 6 in. x 6 in. 



97. Flat-topped, somewhat angular slab. Ferruginous sandstone : 

 possibly neocomian or oolitic. 10| in, x 9 in. x 4 in, 



98. Smoothed and rounded slab. Hard sandstone : carboniferous or 

 oolite. 9 in, x 61 in. x 3^ in, 



99. Roughly cuboidal, surface uneven, and slightly worn. Basalt. 

 7 in, X 6^ in, x 6 in. 



100. Rounded, slightly smoothed. Fine ferruginous sandstone : 

 probably oolitic. 10 in. 'x 7^ in, x 4^ in, 



101. Rounded, smoothedr Hard sandstone: probably oolitic, 8 in. 

 X 6 in. x ?, 



102. Rounded. Fine, hard sandstone : might be neocomian ov port, 

 landiap. 84 in. x 7 in, x ?. 



