PREFACE. 



could suffer such remarks to pass unchallenged. How 

 it has been thought best for the present to meet them I 

 must leave my friend and fellow-labourer Professor Tait 

 to tell. Without pretending to judge of the details of 

 controverted questions which belong to a field of study 

 with which I am unfamiliar, I desire here to express the 

 absolute faith which I, in common with all who really 

 knew Forbes, have in his scrupulous and chivalrous 

 honour, as well in every other matter, as in doing justice 

 to the claims of previous discoverers. Since the subject 

 has been re-opened, it is well that it "should be sifted to 

 the bottom. The claims of Forbes we will gladly leave 

 to the verdict of those who are competent and impartial 

 judges, in full confidence that 



4 Whatever record leap to light, 

 He never shall be shamed.' 



J. C. SHAIRP. 



ANDREWS, 

 February Slh, 1873. 



