50 



May 2. Warwick and Derby (increase). Oxford (slight 

 increase). Warwick (nesting). 



3. Shropshire, Yorkshire and Cumberland (in- 

 crease). Bedford and Cambridge (decrease). 



4. Lincoln. 

 6. Warwick and Lincoln (decrease). 



8. Surrey and Leicester (slight increase). Norfolk. 



9. Cambridge (nesting). 



10. Northampton and Cambridge (increase). Lan- 

 cashire (slight increase). 



10/11. Hants light. 



11. Middlesex (slight increase). Cornwall. 

 13. Kent (slight increase). 



16. Cheshire (nesting). 



17. Cumberland (increase). Kent (decrease). 



18. Yorkshire (nesting). 

 20. Kent (decrease). Carnarvon (nesting). 



