291 
whole of the moorland track comprised in that area, and as 
we shall presently see, overlaid by the uppermost bed of the 
Third Grits, usually of a deep red or purplish colour. 
The following fossils have been identified : — 
Ortbis resupinata Mart. 
„ Michelina, L'Eville. 
Productus semi-reticulatus, Mart. 
„ Cora, D'Orb. 
„ aculeata. 
Spirifera lineata. 
„ trigonalis, Mart. 
„ striata. 
Spiriferina cristata, Sch. 
„ octoplicata. 
Streptorhyncbus crenistria, Pbill. 
Area Sp. ? 
Nautilus Sulcatus. 
N. Sp. nov. 
Avicula-pecten. 
Stroponema analoga, Pbill. 
Chonetes Hardrensis, Pbill. 
KbyncboneUa pleurodon, Pbill. 
The strata Nos. 4 and 3 of the section may be seen in the 
railway cutting between Harrogate and Spofforth, a short 
distance from the quarry of shell limestone " already men- 
tioned, on the Follifoot road. Near the Prospect Tunnel, 
the Flagstones and Arenaceous Shales are well exposed. 
They are grey and sandy, without much consistency, and 
easily weather in a somewhat peculiar manner, presenting 
the appearance of a very neatly pointed wall. The grey 
colour is occasionally variegated by small purplish blotches. 
The Sandstones contain traces of vegetable matter, and are 
often covered by worm- tracks, and probably those of some 
moUusca. These Flags and Shales pass gradually, as we 
approach Spofibrth, into No. 3, the Follifoot rock. It is a 
coarse, quartzose grit, containing many pebbles of quartz ; it 
is thick-bedded, usually of a yellowish white colour, but in 
places changing to a purplish tint. The Shales, No. 2, sue- 
