The egg obtained by Dr. Cunningham at Elizabeth Island is thus described by Prof. Newton (Ibis, 1870, p. 502)[5]:--"Dull surface of a pale greenish white with engrained blotches (mostly small) of neutral tint, and some few blotches, spots, and specks of dull deep brown; towards the larger end some hair-like streaks of a lighter shade of the same, and so far having an Ibidine or Plataleine character." [5] See also figure, P. Z. S. 1871, pl. iv. fig. 8. 329. HARPIPRION CÆRULESCENS (Vieill.). (PLUMBEOUS IBIS.) +Harpiprion cærulescens+, _Scl. et Salv. Nomencl._ p. 127; _Gibson, Ibis_, 1880, p. 159 (Buenos Ayres). +Molybdophanes cærulescens+, _Elliot, P. Z. S._ 1877, p. 503. +Ibis plumbea+, _Burm. La-Plata Reise_, ii. p. 510 (Entrerios). +Ibis cærulescens+, _Scl. et Salv. P. Z. S._ 1869, p. 635 (Buenos Ayres). _Description._--A white bar commencing above and behind the eye covers the forehead; top of head and lengthened nuchal crest dark brown, with a slight greenish tinge; throat and neck covered with long narrow feathers, light brown, in certain lights having a pinkish tinge; upper parts pale bronzy green; wings like the back, in some lights the feathers have a silvery gloss; primaries deep blue, greenish towards the edges of the outer webs; tail dark green; entire underparts brownish grey, with light pink reflexions in certain lights; bill black; feet yellow: whole length 33·0 inches, wing 15·5, tail 7·5, bill 6·5. _Female_ similar. _Hab._ South-east Brazil and Argentina. This noble Ibis ranges from Brazil, south of the Amazons, to the pampas of Buenos Ayres. It is a bird of the marshes, nowhere abundant, and yet is exceedingly well known to most people in the Argentine country: it would be difficult indeed to overlook a species possessing so peculiar and powerful a voice. In the vernacular it is called _Vanduria_, with the addition of _aplomado_, or _barroso_, or _de las lagunas_, to distinguish it from the Winter Vanduria. The word is also frequently spelt _Manduria_ or _Banduria_, but it does not come from _Bandada_ (flock), as Mr. Barrows imagines when he gives this vernacular name to the Glossy Ibis; but from the Spanish stringed instrument called Vanduria. Possibly the instrument is obsolete now; not so the word, however, and it is sometimes used by the poets, instead of "harp" or "lyre," to symbolize poetic inspiration. Thus Iriarte:-- "Atencion! que la vanduria he templado." If one could get a banjo with brass strings so big that it could be heard a mile and a half away, a dozen strokes dealt in swift succession on one string would produce a sound resembling the call of this Ibis--a voice of the desolate marshes, which competes in power with the outrageous human-like shrieks of the Ypecaha Rail, the long resounding wails of the Crazy Widow or Courlan, and the morning song of the Crested Screamer.