"On the Geology of the Fseroe Islands," Trans. Royal Soc. Edinb. vol. xxx. s 

 has also dealt with a more northerly extension of the same formation. Other 

 equally important works, bearing more or less directly upon the subject, are 

 those on the Antrim Basalts, by Mr. W. H. Baily, in the British Association 

 Reports, and our" Quarterly Journal ; on the Traps, and their fossils, of 

 Iceland and Greenland, by Ileer, Nathorst, and Saporta; and on the beds 

 with similar floras in North America, described by Dawson, Lesquereux, and 

 Newberry. 



