A MONOGRAPH 



OP THE 



BRITISH EOSSIL CORALS. 



SECOND SERIES. 

 Part IV. No. 1. 



PREFACE. 



It was noticed in the Preface to the First Part of this series that some irregularity in 

 the succession of the Monographs would occur. According to the plan adopted by 

 MM. Milne-Edwards and Jules Haime, the Corals of the Cretaceous rocks should have 

 been described in this Part ; but it was found advisable to take advantage of Mr. Charles 

 Moore's splendid collection of Liassic Madreporaria, and to describe the species contained 

 in it at once. 



MM. Milne-Edwards and Jules Haime only described three species from the whole 

 of the British Lias ; and as one was probably a remanie fossil,^ and another could not be 

 determined generically/ only one good species, TrochocyatJms Moorei, Ed. and H., remained 

 to characterise this great formation. 



Since those authors wrote, many careful collectors have found large numbers of Corals 

 in the Middle and Lower Lias ; and Dr. Wright,^ the Rev. P. B. Brodie,* and Mr. Ralph 

 Tate,^ have published notices and descriptions of species. 



Lately Mr. Tawney and the author brought the Corals of the Sutton Stone*^ before 

 the notice of the Geological Society ; and Mr. Charles Moore, who had long before 



' 'Monograph. Brit. Foss. Cor.,' p. 145, Palaeontograph. Soc, 1851. 



2 Ibid. 



3 'Quart. Journ. Geol. Soc.,' 1857, p. 34. 



* ' Reports of the British Association for 1860, Reports of Sections,' p. 73. ' Quart. Journ. Geol. Soc.,' 

 1860, vol. xvii, p. 151. "A Sketch of the Lias, &c.," 'Transact. "Woolhope Nat. Field Club,' No. 1. 



5 ' Quart. Journ. Geol. Soc.,' vol. xx, p. 111. 



* Ibid., vol. xxii, p. 91. 



