160 ICTERINE WARBLER. 



AQUATIC WARBLER. 



ACROCEPHALUS AQUATICUS. 

 Sub-family SYLVIIN^E. Genus ACROCEPHALUS. 

 Has occurred four or five times in England. 



GREAT REED WARBLER. 



ACROCEPHALUS TURDOIDES. 



Sub-family SYLVIIN^. Genus ACROCEPHALUS. 



There are at least two well-authenticated instances 

 of this bird appearing on our shores. The last speci- 

 men was shot in Hampshire at Ringwood, 3rd June, 

 1884 (Zoologist, 1884, p. 343). 



MARSH WARBLER. 



ACROCEPHALUS PALUSTRIS. 

 Sub-family SYLVHN/B. Genus ACROCEPHALUS. 



An occasional summer visitor which has bred here. 

 The points of distinction between this and the Com- 

 mon Reed Warbler are disputed by some ornitholo- 

 gists. Seebohm says : " No doubt they are very 

 closely allied; but in their song, habits, eggs and 

 geographical distribution they differ as much as a 

 Blackbird differs from a Thrush". 



ICTERINE WARBLER. 



HYPOLAIS HYPOLAIS. 

 Sub-family SYLVIIN^E. Genus HYPOLAIS. 

 Four specimens seem to have been obtained in 

 Britain, but it has possibly occurred much oftener 



