is
riro, riro, riro!'--that is, gone, gone, gone. And to this day
the bird is known as the riro-riro."

<hw>River-Oak</hw>. See <i>Oak</i>.

<hw>Roa</hw>, <i>n</i>. another Maori name for the largest or
<i>Brown Kiwi</i> (q.v.). In Maori the word <i>roa</i> means
long or big.

<hw>Roaring Horsetails</hw>, <i>n</i>. a slang name for the
<i>Aurora Australis</i>.

<hw>Robin</hw>, <i>n</i>. The name, in consequence of their
external resemblance to the familiar English bird, is applied,
in Australia, to species of the various genera as follows:--

Ashy-fronted Fly-Robin--
<i>Heteromyias cinereifrons</i>, Ramsay.

Buff-sided R.--
<i>Poecilodryas cerviniventris</i>, Gould.

Dusky R.--
<i>Amaurodryas vittata</i>, Quoy and Gaim.

Flame-breasted Robin--
<i>Petroica phoenicea</i>, Gould.

Hooded R.--
<i>Melanodryas bicolor</i>, Vig. and Hors.

Pied R.--
<i>M. picata</i>, Gould.

Pink-breasted R.--
<i>Erythrodryas rhodinogaster</i>, Drap.

Red-capped R.--
<i>Petroica goodenovii</i>, Vig. and Hors.

Red-throated R.--
<i>P. ramsayi</i>, Sharp.

Rose-breasted R.--
<i>Erythrodryas rosea</i>, Gould.

Scarlet-breasted R.--
<i>Petroica leggii</i>, Sharp.

Scrub R.--
<i>Drymodes brunneopygia</i>, Gould.

White-browed R.
<i>Poecilodryas superciliosa</i>, Gould.

White-faced Scrub-R.--
<i>Drymodes superciliaris</i>, Gould.

The New Zealand species are--

Chatham Island Robin--
<i>Miro traversi</i>, Buller.

North Island R.--
<i>M. australis</i>, Sparrm.

South Island R.--
<i>M. albifrons</i>, Gmel.

Gould's enumeration of the species is given below. [See
quotations, 1848, 1869.]

See also <i>Shrike-Robin</i>, <i>Scrub-Robin</i>,
and <i>Satin-Robin</i>.

1827. Vigors and Horsfield, `Transactions of the Linnaean
Society,' vol. xv. p. 242:

"`This bird,' Mr. Caley says, `is called yellow-robin by the
colonists. It is an inhabitant of bushes'"

1848. J. Gould, `Birds of Australia,' vol. iii:

Plate
<i>Petroica superciliosa</i>, Gould, White-eyebrowed
Robin . . . . . . . . . . . . . . 9

<i>Drymodes brunneopygia</i>, Gould, Scrub Robin. . 10

<i>Eopsaltria leucogaster</i>, Gould,
White-bellied Robin . . . . . . . 13

1864. R. L. A. Davies, `Poems and Literary Remains,' p. 263:

"Very soon comes a robin. . . . In the bush no matter
where you pitch, the robin always comes ab