CARBONIFEROUS LIMESTONE OF TYTHERINGTON DISTRICT. 103 
Down quarries, and the same beds are seen in a copse S.W. of 
Marl wood Grange. At the end of Foxhole's Lane, a third of 
a mile N.N.E. of Oldown House, similar beds are seen with a 
south-westerly dip, and a similar dip was obtained in an old quarry 
north of Oldown House. The finding of a fish tooth — Helodus 
turgidus suggests that we have here the upper part of Z 2 the 
horizon of the ' fish beds ' of the Avon Section. 
Highly fossiliferous Zaphrentis-beds are exposed practically 
continuously for a distance of a quarter of a mile by the roadside 
to the E. and W. of Camp Farm at Elberton ; the road practically 
follows the strike. 
Zaphrentis-beds probably form the whole of the limestone mass 
with an irregular outcrop extending between Elberton and 
Littleton. At the northward bend of the road E. of Court Farm, 
Elberton, crinoidal limestone with abundant Orthotetes crenistria 
occurs, and similar beds are seen at the fork of the road W. of Hay 
Wood. At both these spots the dip is 20 0 S.W. At the pond in 
the fork of the road S.E. of Littleton silicified crinoidal limestone 
with Orthotetes crenistria, Spirifer clathratus and Syringothyris 
laminosa dips S.E. Similar beds are seen in the old quarry N. of 
the White Hart Inn, in a farmyard exposure W. of the turning to 
the Church, and in a little old quarry a short distance N. of the 
Church. The Cleistopora-beds are, as far as we know, nowhere 
exposed in the area described. 
