GENERAL OBSERVATIONS. 307 



with it. On the Lincolnshire shore it arrived 

 with a southerly wind, in Merionethshire with a 

 west wind, and on the Irish coast with a south- 

 west wind, the weather warm and mild, the 

 temperature 49° to 50'5°. 



The most northerly point of observation was 

 Dundee, where it was seen on April 29, but it 

 had been previously noticed at Garvoch, Perth- 

 shire, on the 27th, and near Falkirk in Stirling- 

 shire on the 25th of the same month. In Fife, 

 Forfar, and Tayside, Mr. P. Henderson, from 

 personal observation, has frequently found 

 Cuckoos' breasts bare of feathers, as if from 

 incubation, and has observed old birds feeding 

 their own young — a fact in the economy of this 

 bird which has frequently been disputed. 



As early as the 2nd of March the Chiff-chaff 

 arrived at Torquay ; and, being seen at Chud- 

 leigh and Taunton on the 9th, at Northrepps, 

 Norfolk, on the 13th, Hovingham, near York, 

 on the 14th, and Melbourne, Derbyshire, on the 

 28th, it is easy to trace the gradual movement 

 from south to north of this restless but hardy 



