IV 



observed there, as one of the most valuable contri- 

 butions to a comparatively obscure branch of our 

 Science that has appeared of late years. We trust 

 that Mr. Clarke may find other opportunities of doing 

 good work of the same character, and that he will 

 obtain the support which he so well deserves, while 

 we may assure him that wo shall be always glad to 

 receive information as to his future labours in this 

 attractive field of enquiry. 



P. L. S. 'I 

 A. H. E.3 



3 Hanover Square, 



London, W., 

 October 1st, 1902. 



