MIGEATIONS AND OBSEEVATIONS OF BIRDS. 343 



May 11. Landrail (Crex pratensis) comes. (Average date of twelve 

 observations, 1800-87.) 



„ 12. Snipe (GaUinago adentis) "drummed" 1837. (Latest of six 

 observations, 1837-79.) 



Pied Flycatcher (Muscicapa atricapilla) seen 1877. 



,, 13. Whitethroat {Sylvia rufa) is heard singing. (Average date 

 of two observations, 1875 and 1881.) 



,, 14. Martin {Chelidon urbica) arrived 1877. (Latest of twenty 

 observations, 1836-86. ) 



,, 15. FiELDFA-RJi {Turdus pilaris) leitlSST. (Latest of fourteen observ- 

 ations, 1813-87.) 



Whinchat {Saxicola rubeira) came 1884. (Latest of ten observ- 

 ations, 1837-87.) 



Sand Martin {Coiile riparia) returned 1877. (Latest of four- 

 teen observations, 1840-87.) 



Swift (Cyjjselus apus) arrives. (Average date of thirteen observ- 

 ations, 1849-85.) 



Wild Duck {Anas boscas) has young. (Average date of three 

 observations, 1877-87.) 



,, 17. Song Thrvsk {Turdv..^ musicua) ha.s young. (Average date of 

 ten observations, 1836-87.) 



Redstart {Phmiiaira ruticiUa) arrived 1883. (Latest of seven- 

 teen observations, 1850-87.) 



Nightjar {Gaprimidgus europmus) comes. (Average date of 

 eight observations, 1837-86. ) 



Wood Wren {Phyllofscojms nihilatrix) sings. (Average date of 

 four observations, 1875-87.) 



„ 18. Grey Wagtail {Motacilla sidphurea) appeared 1881. (Latest 

 of twenty-one observations, 1849-86.) 



Tree Pipit {Anthus trivialis) arrived 1885. (Latest of five 

 observations, 1879-87.) 



,, 19. Spotted Flycatcher (ilfwA'CTcapaj/moiJa.) came 1881. (Earliest 

 of five observations, 1881-86.) 



Redstart {Phoenicura ruticilla) nested 1850. 



Dotterel (Charadrius morinellm) arrived 1840. (Latest of 

 thirteen observations, 1836-86.) 



,, 20. DoTTEUEjj {Charadrius morinellus) leaves. (Average date of six 

 observations, 1836-83.) 



,, 21. Whinchat {Saxicola ruhetra) comes. (Average date of ten 

 observations, 1837-87.) 



Whitethroat {Sylvia rufa) singing 1881. (Latest of two 

 observations, 1875 and 1881.) 

 ,, 22. Redbreast {Erithaca rubecula) has young. (Average date of 

 five observations, 1860-1881.) 



Garden Warbler {Sylvia mlicaria) arrived 1884. (Earliest of 

 two observations, 1879-84.) 



Spotted Flycatcher {Muscicapa rjrisola) arrives. (Average 

 date of five observations, 1881-86.) 



Ring Ouzel {Turdus torquakis) came 1884. (Latest of thirteen 

 observations, 1860-86.) 



