...few tens of thousands of years. On this point Professor Prestwich has well written as follows: — "For the reasons before given I think it possible...extreme cold — may not have lasted longer than from 15 ,000 to 2 5,000 years, and I would for the same reasons limit the time of ... the melting away of...

...escarpment. Dr. Wright quotes with approbation the opinion of Professor Prestwich that the entire period of extreme cold may not have lasted longer than from 15,000 to 2 5,000 years. Hence the whole of the Quaternary period may not be longer than the 36,000 years formerly...

...comprised only a few tens of thousands of years. On this point Prestwich has well written as follows: "For the reasons before given, I think it possible...— may not have lasted longer than from 15,000 to 25,<K)0 years, and I would for the same reasons limit the time of .... the melting away of the ice-sheet...

...comprised a few tens of thousands of years. On this point Prof. Prestwich has well written as follows : " For the reasons before given, I think it possible...extreme cold — may not have lasted longer than from fifteen thousand to twenty-five thousand years, and I would for the same reasons limit the time of...

...as follows : For the reasons before friven I think it possible that the Glacial epoch — that is 10 say, the epoch of extreme cold — may not have lasted longer than from 15,000 to 25.000 years, and I would for the same reasons limit the time of the melting away of the ice-sheet...

...forms of our fauna and flora should have survived during 240,000 years without modification or change. For the reasons before given I think it possible that...I would for the same reasons limit the time of the so-called Post-glacial period, or of the melting away of the ice-sheet, to from 8000 to 10,000 years...

...flora should have survived during two hundred and forty thousand years without modification or change. For the reasons before given I think it possible that...extreme cold — may not have lasted longer than from fifteen thousand to twentyfive thousand years, and I would for the same reasons limit the time of the...

...Professor Prestwich, reasoning on strictly scientific grounds, concludes, " that the Glacial period, or epoch of extreme cold, may not have lasted longer than from 15,000 to 25,000 years, and the Post-Glacial period of the melting away of the ice-sheet to from 8000 to 10,000 years or less ;...

...flora should have survived during two hundred and forty thousand years without modification or change. For the reasons before given I think it possible that...epoch — that is to say, the epoch of extreme cold — mav not have lasted longer than from fifteen thousand to twentyfive thousand years, and I would...

...comprised only a few tens of thousands of years. On this point Prestwich has well written as follows: "For the reasons before given, I think it possible that the Glacial epoch—that is to say, the epoch of extreme cold—may not have lasted longer than from 15,000 to...