HIND : CARBONIFEROUS ROCKS OF ISLE OF MAX. 141 
The following flora and fauna have been obtained from 
the black or Posidonomya Becheri shales of Poolvash : — 
Posidonomya Becheri. 
Pterinopeden papyraceus. 
Solenomya costellata. 
Glyphioceras striatum. 
Nomismoceras rotiforme. 
Orthoceras Koninckianum. 
,, Morrisianum. 
Small Zaphrentid corals (new ; also occurring in the 
ash, fide Sibly). 
Callograptus Monensis. 
Plantse — 
Adiantites antiquus. 
„ Machaneki. 
Sphenopteris pachyrachis. 
„ „ var. stenophylla. 
The Limestones of Scarlet. 
Plates XV. and XVI. 
The limestones of Scarlet were relegated by both Gumming 
and Lamplugh to the Lower or Castletown Limestones. 
As seen at Scarlet and on the foreshore between Castle- 
town and Scarlet, they consist of dark blue, well-bedded lime- 
stones, becoming ciierty in places. The beds are well marked 
and have shale partings. 
On the foreshore immediately below the quarry is a bed 
of limestone crammed with large Caninoid Campophyllids, 
Lithostrotion cf. irregulare, and other corals. 
In addition to these, the typical corals of the quarry are : 
Zaphrentis Enniskilleni. Very common. 
Sp. nov. 
Amplexizaphrentis. 
Cyathaxonia costata. 
Cyathophyllum Murchisoni. 
Densiphyllum Sp. 
Koninckophyllum Sp. nov. 
