I Regret that I cannot accept as unquestionable the evidence brought forward by my friend Mr. Howorth in favour of the recent elevation of other mountain ranges in Asia besides the Himalayas. I dealt with the latter alone, because I have a slight I acquaintance with parts of them, and some knowledge of the observers whose opinions are quoted. But I argue from the known to the unknown, and if I find reason to reject the evidence on which Mr. Howorth relies to prove the absence of extensive glacial markings in the Himalayas, I am disposed to be sceptical as to that on which he founds his argument in the case of other ranges. I decline to be drawn into a discussion about the latter.