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May 4tb. Middlesex and Yorkshire (increase). 



Somerset (nest and eggs). 

 5th/6tli. Guernsey light. 



6th. Dorset (increase). Derby (usual numbers). 



Staffordshire (nesting). 

 8th. Somerset^ Essex and Montgomery (in- 

 crease) . 

 9th. Carmarthen and Warwick (increase). 



10th. Pentland Skerries (passing). 

 loth. Renfrew (increase). Dorset (nesting). 

 14th. Isle of Man light. Oxford (increase). 



Herts (nesting). 

 16th. Warwick (increase). 

 17th. Oxford and Warwick (decrease). 

 19th. Northumberland (nest with eggs). 

 20th. Essex (sitting). 

 23rd. Warwick (increase). 

 24th. Warwick (decrease). 

 25th. Hants (increase). 

 26th. Oxford (increase). Hants (decrease). 



