Xlii PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [May 1 896,. 



eruptive rocks of Sarn, Caernarvonshire ; your joint papers with 

 Mr. Marr on the Shap Granite and the associated Metamorphia 

 Rocks, — to show the nature of the work in which you have been 



Tour Sedgwick Essay, on the Yolcanic Bocks of Caernarvonshire, 

 is a model of what such work should be. It has already received 

 a well-merited encomium from your present chief, the Director- 

 General of the Geological Survey. 



In the past twelve years you have also been a frequent con- 

 tributor to the pages of the ' Geological Magazine/ in which some 

 twenty articles of yours are to be found. 



Lastly, your excellent ' Petrology for Students,' issued from the 

 Cambridge University Press last year, greatly adds to your credit 

 in this field of research. 



This slight recognition from the Council may serve to assure you 

 11 ow highly your past work has been appreciated, and how much, 

 more good work we trust that you will live to achieve. 



Mr. Harker, in reply, said : — 

 Mr. President, — 



I heartily thank the Council for the honour which they have 

 conferred upon me, and yourself for the graceful words with which 

 you have accompanied this Award. 



In the work to which you have made kind reference, I have 

 confined myself to only one among the several lines of research 

 recognized by this Society. I have, however, always regarded 

 Petrology, not as a study apart, but as a branch of Geological 

 Science ; and whatever value may belong to my results, I owe 

 in large measure to the fortunate circumstances which have enabled 

 me constantly to combine work in the field with work in the 

 laboratory. 



Generous appreciation at the hands of those best qualified to- 

 judge is an incentive second only to the pleasure of the work itself. 

 To the encouragement which I have at all times derived from the 

 comradeship of fellow-workers, both at Cambridge and elsewhere, is 

 now added that which must always attach to such an honour 

 as the present one ; and for the encouragement, no less than for the 

 recognition, I tender my best thanks. 



