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Mr. W. Eagle Clarke — Bird-migration 



under the most trying conditions, namely, one whose 

 ship is ever the sport of the winds and waves. I enjoyed 

 the best of health while on board, and the almost incessant 

 watchfulness necessary for the successful prosecution of my 

 work rendered my sojourn free from that tediousness which 

 is usually inseparable from residence in such vessels. 



I sailed from Blackwall in the Trinity tender ' Vestal ' 

 on the morning of the 15th of September, and, after visiting 

 the varions lightships and " pile " lighthouses within the 

 Thames Estuary, and the outlying Galloper Lightship, was 

 placed on board the Kentish Knock Lightship at noon on 

 the 17th of September, and remained there until the 18th 

 of October. 



I found the bird-migration at the Kentish Knock of 

 a very varied and complex nature, in which respect it is 

 probably not surpassed by any other station on the British 

 coasts. The ship lies about the centre of a broad junction 

 where many lines of Might cross. Here, in addition to (1) the 

 extensive movements (I speak of those of the autumn, the 

 spring migrations being in an opposite direction) of Immi- 



