193 
1916-17.] The Hurlet Sequence and the Abden Fauna. 
flow a thick bed of fine-grained, greenish-coloured mudstone full of the 
remains of plants, including stigmariae and rootlets. Above this comes 
Fig. 2. — Sketch Map showing the Lower Limestone Series between Kinghorn and 
Kirkcaldy. Based on H.M. Geological Survey Map. 
about 4 feet of black shale, at the bottom of which there is a layer 
literally crammed with the remains of fish scales, teeth, spines, and bones° 
This is known as the Bone Bed, and was first described by the Rev. Thomas 
Brown in the year 1861. The shales above it contain a Lamellibranch and 
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