78 CRITICAL NOTES. 
110. LARUS BULLERI. 
The bird which Dr. Finsch has described in the “ Journal fiir Orni- 
thologie,” Sept. 1870, p. 361, is not L. melanorhynchus of Buller, as he 
supposed, but L. Jamesont of my catalogue, which is easily distinguished 
by the broad dark band near the tips of the secondaries. 
L. melanorhynchus, Buller, therefore, cannot be the same as L. Pomare, 
Bruch, but is a good species. As, however, the name selected by 
Mr. Buller has already been appropriated to a species of Larus by 
Temminck, a new one for this bird becomes necessary, and I have called 
it after Mr. Buller, who first described it, and who is doing so much 
for New Zealand ornithology. It appears to frequent inland lakes only, 
and not to come to the sea. 
lll. LARUS JAMESONI. 
Whether the bird that I have described in my catalogue under this 
name is the true Jamesoni of Wilson and Bonaparte, or whether it is 
L. Pomare, Bruch, 1 must leave for Dr. Finsch to determine, as we have 
not the original descriptions out here. It is the same bird as that 
described as the young of L. scopulinus, in the Zoology of the “ Voyage 
of the ‘Erebus’ and ‘Terror ;'” but this is certainly a mistake, as the 
young of scopulinus is similar in its colors to the adult, while Jamesone 
has brown feathers on the wings at all ages. In the Colonial Museum 
there is a gull from Australia, labelled Z. Jameson, that answers 
exactly to the description of scopulinus juv., in the “ Voyage of the 
‘ Erebus’ and ‘ Terror,’ ” 
so that this species (Jamesonz) is found both in 
New Zealand and Australia. Here it is not nearly so common as scopu- 
linus, except at Kaikoura Bay, where it is the commonest gull. The 
bird described by Gould, in his Hand-book of the Birds of Australia, as 
Jamesoni, is the scopulinus of my catalogue, which has the alular feathers 
white, while in my Jamesont they are always more or less marked 
with black. The amount of white on the tips of the primaries varies 
very much, from nothing to large elongated spots. I am not aware 
whether this is owing to season or age, or whether it is mere variability, 
but a series of specimens of this species, which I have been promised, will, 
I hope, settle the question. 
116. HYDROCHELIDON LEUCOPTERA. 
This interesting addition to our fauna was shot by Mr. D. Monro in 
the Wairau Valley, Province of Marlborough, in 1868, but was not 
identified until a few months ago. I notice that it has also lately been 
obtained in Northern Australia. 
