66 GROWTH OF THE 'ORIGIN.' [1855. 



classes, there remain only some such arguments as those which 

 can perhaps be deduced from similar rudimentary structures, 

 and very soon not an argument is left. 



[The following extract from a letter to Mr. Fox [Oct. 

 1855* gives a brief mention of the last meeting of the British 

 Association which he attended :] " I really have no news : 

 the only thing we have done for a long time, was to go to 

 Glasgow ; but the fatigue was to me more than it was worth, 

 and E. caught a bad cold. On our return we stayed a 

 single day at Shrewsbury, and enjoyed seeing the old place. 

 I saw a little of Sir Philip f (whom I liked much), and he 

 asked me 'why on earth I instigated you to rob his poultry- 

 yard ?' The meeting was a good one, and the Duke of 

 Argyll spoke excellently."] 



* In this year he published across a submarine undulatory sur- 



(' Phil. Mag.' x.) a paper " On the face." 



power of icebergs to make recti- f Sir P. Egerton was a neigh- 

 linear uniformly-directed grooves bour of Mr. Fox. 





