MIGEATIONS AND OBSEEVATIONS OF BIRDS. 343 



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

 observations, 1800-87.) 



,, 12. SNIPE (Gallinago ccdestis) "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. FIELDFARE ( Turdus pilaris) left 1887. (Latest of fourteen observ- 

 ations, 1813-87.) 



WHINCHAT (Saxicola rubetra) came 1884. (Latest of ten observ- 

 ations, 1837-87.) 



SAND MARTIN (Cotile riparia) returned 1877. (Latest of four- 

 teen observations, 1840-87.) 



SWIFT (Cypselus 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 THRUSH (Turdus musicus) has young. (Average date of 

 ten observations, 1836-87.) 



REDSTART (Phwnicura ruticilla} arrived 1883. (Latest of seven- 

 teen observations, 1850-87.) 



NIGHTJAR (Caprimulgus europceus) comes. (Average date of 

 eight observations, 1837-86. ) 



WOOD WREN (Phylloscopus sibilatrix) sings. (Average date of 



four observations, 1875-87.) 



,, 18. GREY WAGTAIL (Motacilla sidplmrea] appeared 1881. (Latest 

 of twenty-one observations, 1849-86.) 



TREE PIPIT (Anthus trivialis) arrived 1885. (Latest of five 



observations, 1879-87. ) 



,, 19. SPOTTED FLYCATCHER (Muscicapa grisola) came 1881. (Earliest 

 of five observations, 1881-86.) 



REDSTART (Phcenicura ruticilla) nested 1850. 



DOTTEREL (Charadrius morinellus) arrived 1840. (Latest of 

 thirteen observations, 1836-86.) 



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

 observations, 1836-83.) 



,, 21. WHINCHAT (Saxicola mbetra) 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 salicaria) arrived 1884. (Earliest of 

 two observations, 1879-84. ) 



SPOTTED FLYCATCHER (Muscicapa grisola) arrives. (Average 

 date of five observations, 1881-86.) 



RING OUZEL (Turdus torquatus) came 1884. (Latest of thirteen 

 observations, 1860-86.) 



