BuLLER.—O» Certain Species of N.Z. Birds. 123 
eorpore subtüs flavido lavatis: alâ spuriá et primariis exterioribus extüs 
cyanescentibus : caudá sordidé viridi, subtüs flavicanti-brunneá— rostro nigro, 
versus basin albido— pedibus brunnescentibus. 
Adult.—General plumage grass green, brighter on the crown, sides of the 
head, face, and ear-coverts ; back, rump, and all the under surface strongly 
tinged with yellow ; primaries bright green on their outer vanes ; the margins 
of the outermost primaries, as well as their coverts and the whole of the 
bastard quills, indigo blue ; tailfeathers dull green, olivaceous or yellowish 
brown on their under surface. Bill black, greyish white towards the base of 
lower mandible ; legs and feet dull brown. 
COMPARATIVE MEASUREMENTS, 
P. unicolor. P. nove-zealandie, 
Extreme length .. 13:25 inches „ж 11:25 inches 
Wing from flexure ww 5 ay 925 4 
Tail 65 — 6 
Culmen s P3 ^. ns meo i 
Tarsus ак me 4 4 me 8 fe 
Longer fore toe and claw 1:4 = T: ld. 
Longer hind toe and claw — 1:25 „ ves 1 а 
Авт. XXVIII.—Remarks on Captain Hutton’s Notes on Certain Species of 
New Zealand Birds—By WALTER L. Burer, D.Sc., F.L.S., ete. 
(With Illustrations.) 
LReceived by the Wellington Philosophical Society, March, 1874.]* 
GERYGONE FLAVIVENTRIS, Gray. 
In a paper which I had the honour of reading before the Society in 
November, 1870 (Trans. N.Z. Inst., Vol. 1L, pp. 37 —56), I referred at some 
length to the nest-building habits of Gerygone Jlaviventris, and in the course 
of my observations I made the following remark :— 
* Among the substances used as building materials by this bird, spiders' 
nests are always conspicuous ; indeed, in some specimens the whole exterior 
surface is covered with them. The particular web chosen for this purpose is 
an adhesive cocoon of loose texture, and of a dull green colour. These 
* Dated at London 26th December, 1873. 
