° 
all 
4U melt, but some of it remains year by year, 
Physical Theory of Secular Changes of Climate. 278 
ene a it would assume all the characteristics of continental 
the North ng have oannies of things exactly similar in 
uring the heigh . : 
mate and Time,’ p. eae cht of the glacial epoch (see ‘ Cli- 
f such be the condition of the antarctic ice, we can readily 
the . yr 
* oat age of eccentricity on climate I cannot do better 
quote Mr. Wallace’s own words on the subject. Referring 
toi 
ts effects on south temperate America, he says: 
veo Th 
" . p 
with a high de ale rahe 
ey £ gree of eccentricity in producing glaciation should 
C 
°nsider how the condition of judi canara America 
mow > ge = 
ae ae a 6200 feet high produce immense laciers which 
the sea-level; while in the latitude of Cumberland, 
Valley j glacial epoch, when every 
hha oa. bose Cumberland, and Scotland had ‘ta glacier ; and to 
this state of things be imputed, if not to the fact that 
in one 
in the Reeth fell every day. There is no summer melting of sn o 
ic as there is in the Arctic regions. It is the only region known to 
” 
ihe wh " 
ere there is perpetual snow on land at sea-level. 
ions at the sea-level does not : 
ice | at the 
Sea-ley year, then 
‘tog whether it be on frozen pack or on the ground. must be a necessary — 
If this be so, it cannot be true, as My. Wallace affirms, that there- 
mee ce, 
& * no Permanent ice formed but on high land. 
ow andi. 7 
