° 
434 J. Oroll—Examination of Wallace’s Modification of the 
Pleistocene Europe was, for some time at all events, remarkably 
equable and somewhat humid. The summers may not indeed 
have been warmer than they are now; the winters, however, 
were certainly much more genial.” (‘Prehistoric Europe,’ p. 
540. 
which have been adduced by Mr. Wallace himself. Ina sec- 
tion on alternations of warm and cold periods during the Glacial 
Irish elk, the horse, reindeer and mammoth. - Here we have 
evidence of two distinct periods of intense cold, and an inter 
vening milder period sufficiently prolonged for the county 
ae 
