122 



May 13th. Essex, Norfolk, Derby and Yorkshire 

 (increase). Warwick and Lincohi 

 (nestingj. Renfrew, Ayr. 



14th. Herts and Wilts (increase). 



15th. Wilts (increase). 



16th. Devon, Somerset and Yorkshire (increase). 



17th. Oxford (slight increase). 



18th. Kent (increase). 



19th. Isle of Man (slight increase). 



20th. Hants, Gloucester and Lancashire (in- 

 crease). Herts and Hereford (nesting). 

 Lancashire (nests). 

 20th/21st. Isle of Man light. 



21st. Essex (increase). Wilts (great increase). 



23rd. Worcester (nesting). 



24th. Isle of Man light. Glamorgan (great in- 

 crease). 



25th. Staffordshire (increase), Gloucester (de- 

 crease). 



28th. Gloucester (increase). 



29th. Hants (increase). 



