506 Proceedings of the Royal Irish Academy. 



fossil sources as to the climate prevailing at that time in the British 

 Islands are there now discussed. 



p. 488 The origin and nature of the Glacial Period is so intimately 

 connected with these faunistic problems, that it has been thought 

 advisable to devote a short chapter to this important era in the life of 

 the direct ancestors of our animals. The prevailing opinions as to 

 temperature and general atmospheric conditions during the period are 

 reviewed in connexion with the questions as to the possibility of 

 a survival of the terrestrial fauna and flora chiefly in the British Islands. 

 The British Pleistocene fauna does not indicate the prevalence of 

 Arctic conditions — neither does the flora. 



p. 502 This fact certainly supports the view formerly held by geologists 

 that tlie phenomena in Xorthem Europe, now attributed to land -ice, 

 have been produced by sea with floating icebergs, under conditions 

 somewhat comparable to those at present obtaining in Tierra del Puego. 

 A succinct statement of my views on the Glacial Period and the geo- 

 graphical features of Europe at the time — as derived from a study of 

 the European fauna and of its origin — concludes this memoir. 



BIBLIOGRAPHY. 



1. Adams, Leith : 



(a) " On the Recent and Extinct Iiisli Mammals." 



Proc. R. Dublin Soc, New Series, vol. 2, 1880. 

 {b) "Report on the Histoiy of Irish Fossil Mammals." 



Proc. R. Irish Acad., 2nd series, vol. 3, 1883. 

 (c) " Observations on Remains of Mammoth and other Mammals from 

 Northern Spain." 



Quart. Jour. Geol. Soc, vol. 33, 1877. 



2. Adams, Leith ; Kinahax and Ussher : 



" E.vplorations in the Cave of Ballynamintra." 



Trans. R. Dublin Soc, vol. 1 (series 2), 1881. 



3. Alston, E. R. : 



" Fauna of Scotland (Mammalia), 1880." 



4. Bahrett-Hamilton, G. E. H. : 



"Irish Mammals." 



Irish Naturalist, vol. 4, 1895. 



5. Bell, Alfred : 



" On the Correlation of the later and post-Pliocene Tertiaries on either side 

 of the Irish Sea." 

 Proc. R. Irish Acad., vol. 2 (3rd series), 1893. 



