ON ERRATIC BLOCKS OF THE BRITISH IsLES, 237 



Wymondham. — Gravel pit in Cannonshot gi*avels. These gravels are 

 mainly composed of flint, but there is a small percentage of other rocks, 

 including hard sandstones, grits, and dolerites. Two specimens of Rhomb- 

 porphyry. 



East Dereham. — Station brickworks. In chalky boulder clay — 



Chalk (hard and soft), flints, both black and grey, sandstone, quartzite, iron- 

 stone (rather sandy), dolerite, granitoid rock resembling that of Ercal 

 (Wrekin), porphyrite, jasper, greywacke sandstone, 2 ft. by 1 ft. by 1 ft. 

 well striated. (This has been removed to the Norwich Museum.) 



In Crown Point brickyard- 

 Cubic block of Neocomian sandstone with pebbles 1 ft. 4 in. cube, sandstone, 

 dolerite. 



At Mr. Home's cottages — 



Block of greywacke sandstone 16 in, cube. 



„ very ferruginous sandstone (Tertiary), with pebbles of quartz, flint 

 and clay ironstone. 



Swaffham. — Railway station. In chalky boUldef clay— 

 Septarian with ammonite (probably Kimmeridge). 



Broome Ford, Ditchington — 

 Kimmeridge shale in boulder clay. 



Bediligham. — Pit opposite church. In chalky bouldei* clay — ■ 

 Hard and soft chalk, Kimmeridge shale, dolerite. 



Hempnall. — By butcher's shop — 



Dark green sandstone with fossils, including an ammonite (.' Neocomian), 

 3 ft. by 2 ft. by 1 ft. 



Boyland Hall. — Pit at corner of road [h mile W. of)— 



Kimmeridge shale with fossils. 

 Fossiliferous 8pilsby sandstone. 



Diss, — In chalky boulder clay — 

 Neocomian sandstone. 



Suffolk. 



ReiJorted hy Messrs. F. W. HaRMEr, F.O'.S., and 

 Percy F. Kendall, F.G.S. 



Hoxne. — Brickworks. In chalky boulder clay — 



Hard chalk, Kimmeridge shale with PcrispMnctes hiplex, Neocomian Sandstone. 

 Oolitic limestone. 



Needham Market. — Quin ton's brickyal'd — 



Neocomian sandstone, 2 ft. 6 in. long, out of chalky boulder clay. 



Sudbury. — Balliugdou Brickyard. In dark -brown chalky Boulder 

 Clay- 



Many fragmenti of Kimmeridge ibale and septai'ia. 



