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CONTRIBUTIONS TO A HISTORY OF THE MESOZOIC CORALS OF THE 
COUNTY OF YORK. 
BY ROBERT F. TOMES, F.G.S. 
A great many Oolitic corals from the counties of Oxford, 
Gloucester, Wilts, Somerset, Dorset, Northampton, and Cambridge, 
have of late years been examined, and a considerable number of 
new species and some new genera from those counties made known. 
But while an abundance of material has been obtained, it has 
been a matter of some surprise that an extremely small number 
of specimens from the Yorkshire and Lincolnshire Oolites have 
come under notice. Almost equally meagre are the records of 
madreporaria from the Jurassic formations of those counties, and 
it is the purpose of the present communication to bring together 
such notices of Yorkshire species as have already appeared in 
print, and to add some others which have not hitherto been 
made known. I propose also to enumerate the Liassic species, 
and the few Cretaceous ones which have been found in the 
Speeton Clay. 
In the Illustrations of the Geology of Yorkshire, by Professor 
Phillips, ten supposed Oolitic corals are mentioned, but they are 
not sufficiently defined for satisfactory reference. MM. Milne 
Edwards and Haime, in their History of British Fossil Corals, 
have, indeed, referred them to certain recognised species, as I 
shall now show, but it is most desirable that an actual comparison 
should be made betw^een Yorkshire specimens and undoubted 
examples of the species to which they have been referred by 
those celebrated zoophytologists. 
The following is the list of Oolitic corals given by Professor 
Phillips, as revised by MM. Milne Edwards and Haime : — 
Stylina tubulifera. 
Astrcea tubulifera Phill. 111., Vol. I., p. 12G, pi. iii., fig. 6. 
1829. Coral Rag, Malton. 
