ON THE ERRATIC BLOCKS OF ENGLAND, WALES, AND IRELAND. 211 



48. Rectangular, sides flat, angles but little worn. Fine, ferruginous 

 sandstone : probably ncocomian. 12 in. x 5 in. X ?. 



49. Rectangular, but mucb worn, and angles rounded. Ferruginous 

 sandstone : neocomian or oolite. 9 in. x 5 in. X ?. 



50. Rounded. Ferruginous sandstone : neocomian or oolite. 7 iu. 

 X 5 in. X ?. 



51. Broken slab, with sharp angles round one face, but otherwise 

 much worn and smoothed. Basalt.- 18 in. x 5 in. x ?. 



52. Flattish, smoothed, worn, surface irregular. Sandstone : probably 

 Jurassic. 8 in. X 9 in. x 5 in. 



53. Roughly prismatic, with angles rounded and faces smoothed. 

 Sandstone, with annelid markings. 9 in, x 6 in. x 6 in. 



54. Subangular, prismatic slab, angles rounded and whole surface 

 smoothed. Hard, ferruginous sandstone : carboniferous or oolite. 15 in. 



X Gin. X ?. 



55. Rounded, smoothed. Ferruginous sandstone : probably oolitic. 

 9 in. X 6 in. X ?. 



56. Rounded and smoothed. Sandstone : probably neocomian. 8 in. 

 X 7 in. X 4|in. 



57. Subangular, worn. Ferruginous, calcareous sandstone : neocomian 

 or oolite. 11 in. x 6 in. x ?. 



68. Broken fragment, rounded and worn. Compact limestone : pro- 

 bably carboniferous limestone. 5^ in. X G in. X ?. 



69. Subangular, irregular, little worn. Pink-red, mottled, ferruginous 

 sandstone : neocomian or oolite. 6 in. x 7 in. X 4 in. 



60. Piece of somewhat worn chalk-marl [doubtfully a boulder.] 

 17 in. X 9 in. X Gin. 



Slab in jpavement in front of hoiler-room door, Ashwell Brewery. 



61. Upper surface smooth and flat, angles rounded. Compact sand- 

 stone. 21 in. X 16 in. X ?. 



Boulder lying at end of ham opposite office, Ashwell Brewery. 



62. One end broken, otherwise much rounded and smoothed. Coarse 

 sandstone or grit. 16 in. x 11 in. x 6 in. 



Boulder lying on S. side of entrance to AaJnvell Brewery Yard. 



63. Irregularly-shaped, faces flat and smoothed, angles but little worn. 

 Hard, compact sandstone. 18 in. X 12 in. x ?. 



Boulder on N. side of entrance to Ashicell Brewery Yard, against corner of 

 house. [_8ince moved into stable yard adjoining.^ 



(This is the large boulder referred to in the Fifth Report : — the measurements are 



now taken somewhat differently.) 



64. Rounded and much worn, without any particular regularity of 



shape. When moved the lower portion of the surface, where it had not 



been exposed, was much less worn, and rather uneven. Sandstone : 



corresponds in character with hand-specimens of mill-stone grit. 2 ft. 10 in. 



X 2ft.8in. X 2ft.0in. 



p2 



