X PREFACE 



unfailing good humour, his love of work, and his gener- 

 ous co-operation in the doings of every fellow-worker 

 who needed his help, together with the amusing pre- 

 dicaments in which his conversation sometimes placed 

 him, combined to make a rare and delightful person- 

 ality, and underneath it all lay the solid and lasting 

 service rendered by him to the branch of science to 

 which he devoted his life. 



ARCHIBALD GEIKIE. 



