38 THE CARBONIFEROUS LIMESTONE OF BURRINGTON COMBE 
Coral fa^ma. 
Lithostrotion Martini and mutation. 
Cyathophyllum Murchisoni. 
DihunopJiyllum 0. 
Koninckophyllid Cyathophyllum. 
Alveolites septosa. 
Syringopora cf. ramulosa. 
Brachiopod fauna. 
Orihotetes aff. crenistria. 
Productus aff. Cora (muts.) 
Productus ‘ giganteus' 
Productus cf. costatus (?). 
Chonetes papilionacea. 
Productus ‘ giganteiis ’ and Orthotetes aff. crenistria in a 
characteristic mutation are abundant. 
The interesting coral recorded as Koninckophyllid 
Cyathophyllum is the form described by Dr. A. Vaughan 
in “ Carboniferous Corals and Brachiopods,” ^ and occurs 
at the same level in the Avon Section. 
Comparison with the Bristol Area. 
The fauna of this horizon at Burrington exactly re- 
sembles that of the same level in the Bristol Area 
III. SUMMARY. 
Having given a detailed account of the palaeontological 
sequence in the Burrington Section, and compared each 
zone with its equivalent in the Bristol development, I 
shall now summarise the main features of the section, 
taking each zone in turn. 
A. Cleistopora Zone. 
In this zone is included the thick series of shales (with 
subsidiary limestones) extending from the top of the Old 
^ Proc. Bristol Nat. iSoc. New Series, vol. x., part 2, p. 119. 
