90 OBSERVATIONS ON BIRDS. 



First Last Re- 



heard, heard. assumes. 



25. Black cap (Curruca atricapilla). . Apr. 16 July 27 



26. Tree Pipit (Anthus arboreus) . . 20 ,,9 



27. Nightingale (Philomela luscinia) . ,,21 June 7 



28. Swallow (Hirundo rustica) 23 Sep. 7 



29. Wb.inch.at (Saxicola rubetra) . . ,,24 June 30 



30. Whitethroat (Curruca cinerea) . 25 July 18 



31. Sedge Warbler (Salicaria phragmitis) 25 22 



32. Lesser Whitethroat (Curruca sylviella) 26 7 



33. Cuckoo (Cuculus canorus) ... ,,27 June 27 



34. Reed Bunting (Emberiza schoenidus) 28 



35. Wood Warbler (Sylvia sibilatrix) May 4 28 



36. Pettychaps (Curruca hortensis) . 4 July 12 



37. Turtle-dove (Columba turtur) . . 8 ,,23 



The dates given in this table are, most of them, the means of a 

 great many years' observations. They are the same as those given 

 in the Calendar at the end of this work ; by referring to which, the 

 exact number of years in each case, from which the mean is cal- 

 culated, may be ascertained. As the dates relating to this subject 

 in that calendar are necessarily much scattered, it was thought 

 that it might be useful to bring them together in this place, for 

 the sake of those observers who take an especial interest in the 

 notes of birds. 



Remarks. The wren and redbreast are usually 

 considered as singing all the year. The latter, 

 however, appears to me invariably to stop, like so 

 many other species, after the breeding-season is 

 over ; it may be the end of June or beginning of 

 July. It re-assumes, however, its note in about a 

 month's time ; and, from the middle of August on 

 through the autumn, its singing is notorious, when 

 scarcely any other species is to be heard. I do not 

 feel sure that it is not the same with the wren, at 

 least with the great majority of individuals; though 



