HWYADWYDD — IVORY. 129 



ICTERINE WARBLER [No. 141]. Occurs in Hewitson, 

 Yarrell, and Gould as Melodious Willow Warbler, and 

 ^Melodious Willow Wren. The species was named Sylvia 

 iclerina by Vieillot in 1817, whence it? name arises. 



Icwell: The GREEN WOODPECKER. (Northants.) See 

 " Eaqual." 



Imber Diver : The GREAT NORTHERN DIVER. (Ireland.) 

 See Immer. 



iMaiER, Immer Diver: The GREAT NORTHERN DIVER. 

 (Scotland.) Said to be lit. immerse, signifjdng the act of 

 diving, from Lat. immersus, to plunge into. Conf. Dan. 

 Imber ; Sw. Immer and Emmer ; Icel. Himbrim. The 

 name was formerly written " Imber Diver " by the older 

 ornithological writers from Willughby and Pennant to 

 Montagu, the last, however, also gives " Immer " as 

 a provincial name. Sibbald calls it the " Ember Goose." 

 Be\\-ick (1804) gives " Imbrim" as a name for the species. 



Indian Gallinule. Examples of this species recorded as taken 

 in our islands had no doubt escaped from captivity. 



INDIAN STONECHAT [No. 177]. This is the Indian race 



of the STONECHAT, first described bv Blvth as long ago 



as 1847. 

 loLAiR BHUIDHE, loLAiR RiAMHACH. Gaelic names for the 



WHITE-TAILED EAGLE. 

 loLAiR DHUBH. The Gaelic name for the GOLDEN EAGLE ; 



signif\'ing " Black Eagle." 

 lOLAER uisGE. A Gaelic name for the OS PREY; lit. ''water 



eagle." 

 Irish Co-\l-Titmouse. See COAL-TITMOUSE. 

 Irish Dipper. See DIPPER. 

 Irish NiCtHtingale. A name applied to the SEDGE-WARBLER 



in some parts of Ireland, from its habit of singing at night, 



and because the true NIGHTINGALE is unkno^Ti there. 

 Isaac or Hazock : The HEDGE-SPARROW. (Worcestershire.) 



A corruption of Old. Eng. heisvgge (see Bhie Isaac). 

 ISABELLINE WHEATEAR [No. 173]. An Asiatic species 



which takes its name from the isabelline colour of its plumage. 



Isle of Wight Parson : The CORMORANT. (Hampshire.) 



IVORY GULL [No. 438]. The name, arising from the ivory 



whiteness of its plumage, appears in Bewick (1832) and 



Selby, and was adopted by Yarrell. It was, however, first 



called " Snow-bird " by Edmondston and by Fleming. 



Ivory Whale Gull : Macgillivray's name for the IVORY GULL. 



