16 



April 3 



B. Swallow. 

 1). Wryneck. 



April 4 



B. Chiffchaff. 



Willow- Warbler. 

 Swallow. 

 Sand-Martin. 

 D. Wryneck. 



April 5 



B. Chiffchaff. 



Willow-Warbler. 



Swallow. 



Sand-Martin. 

 D. Wryneck. 



April 6 



B. Wheatear. 



Chiffchaff. 



Willow- Warbler. 

 D. Wryneck. 



April 7 



B. Chiffchaff". 

 Willow-Warbler. 



C. Cuckoo. 



D. Wryneck. 



Anticyclone passing eastwards, causing easterly 

 currents of increasing intensity over England, 

 France, and Spain. Temperature warmer over 

 the southern part of the area, but still cold over 

 England. Weather generally fine. 



Warmer generally, especially over Spain, the ex- 

 tensive anticyclone with its centre over Central 

 Europe, with bright weather and moderate 

 breezes generally from the south-east over 

 Western Europe. 



Rain in Spain, France, and Scilly Isles ; elsewhere 



fair. 

 Barometer: a depression with its centre over 



the St. George's Channel, causing cyclonic 



circulation of wind over our area. 



Warmer and bright over our Islands ; overcast 

 over Western France and Iberian Peninsula. 

 Winds moderate from the north in the North 

 Sea and English Channel over our Islands, 

 Western France, and the Iberian Peninsula. 



Fine and bright over the whole area, with north- 

 erly or easterly breezes of an anticyclonic cha- 

 racter, due to an anticyclone of small intensity 

 with its centre situated in the English Channel. 



April 8 Fine and bright generally over the whole area, 



with northerly breezes of moderate intensity. 

 Barometer : the anticyclone with its centre over 

 British Islands, increasing in intensity, with 

 gentle gradients towards the south. 



B. Chiffchaff. 



Willow-Warbler. 



Swallow. 



Sand-Martin. 

 D. Wryneck. 



April 9 



A & D. Common 

 and Little 

 Terns. 



Weather remaining bright and fine, governed by 

 the large, almost stationary anticyclone. 



