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 its name arises. 
IcwELL: The GREEN WOODPECKER. (Northants.) See 
** Kaqual.” 
Imper Diver: The GREAT NORTHERN DIVER.  (Ireland.) 
See Immer. 
Immer, IMMER Diver: The GREAT NORTHERN DIVER, 
(Scotland.) Said to be lit. cmmerse, signifying the act of 
diving, from Lat. immersus, to plunge intc. Conf. Dan. 
Imber; Sw. Immer and Hmmer; 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 previncial name. Sibbald calls it the “‘ Ember Goose.” 
Bewick (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 by Blyth as long ago 
as 1847. 
IoLAIR BHUIDHE, [oLAIR RIAMHACH. Gaelic names for the 
WHITE-TAILED EAGLE. 
IoLarr DHUBH. The Gaelic name for the GOLDEN FAGLE; 
signifying “ Black Eagle.” 
Io“tarR vIscE. A Gaelic name for the OSPREY ; lit. ‘* water 
eagle.” 
IntsH Coau-Tirmouse. See COAL-TITMOUSE. 
IrisH Dipper. See DIPPER. 
IrtsH NIGHTINGALE. Aname applied to the SEDGE-WARBLER 
in some parts of Ireland, from its habit of singing at night, 
and because the true NIGHTINGALE is unknown there. 
Isaac or Hazock: The HEDGE-SPARROW. (Worcestershire. ) 
A corruption of Old. Eng. hetsugge (see Blue Isaac). 
ISABELLINE WHEATEAR [No. 173]. An Asiatic species 
which takes its name from the isabelline colour of its plumage. 
IstE or Wicut 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 Yarrel]. It was, however, first 
called “ Snow-bird” by Edmondston and by Fleming. 
Ivory WHALE GULL: Macgillivray’s name for the IVORY GULL. 
K 
