534 Proceedings. 
An interesting series of gem sands from Mudgee and the diamond drift of Bingera 
presented by Professor Liversidge, and also specimens illustrating his discovery of the 
formation of moss gold by the action of gentle heat on arsenical iron pyrites, together 
with specimens of the recently found native bismuth and tin ore of Tasmania, were also 
exhibited. 
E:reurg Meetine. 12th January, 1878. 
W. T. L. Travers, M.H.R., F.L.S., President, in the chair. 
. * Further Notes on the Ornithology of New Zealand," by Walter L. 
Buller, C.M.G., Sc.D., F.L.S. (Transactions, p. 201.) 
2. * On the Species forming the Genus Ocydromus, a peculiar Group of 
brevi-pennate tRails," by Walter L. Buller, C.M.G., Sc.D., F.L.S. (Trans- 
actions, p. 218.) 
3. * On the Egg of the Huia ( Heteralocha acutirostris)," by Walter L. 
Buller, C.M.G., Se.D., F.L.S. (Transactions, p. 219.) 
4. “On the Addition of the Red-tailed Tropic Bird ( Pheton rubricauda) 
to the Avifauna of New Zealand," by Walter L. Buller, C.M.G., Se.D., 
F.L.8. (Transactions, p. 219.) 
The President remarked that the hop plantations drew large numbers of the small 
parroquet to certain localities. The sparrow on the contrary was useful in destroying 
insects, as was also the introduced minah. He agreed with the author that the pukeko 
were disappearing in some places. He thought it doubtful if the kakapo were plentiful 
in the Kaimanawa Ranges, as, if it were so, we should have more specimen 
Hector thought the Maoris did not go far into the bush at Kaimanawa. In 1869 
when he explored those mountains he frequently heard the cry of the kiwi and observed 
the tracks which are made by the kakapos at certain seasons when they assemble on the 
bare grounds above the limits of the forests. 
Mr. Chapman thought that a search for food had a good deal to do with finding 
certain birds so plentiful in certain localities. He thought that the little Zosterops would 
be destroyed by the sparrow. 
5. “On Mill’s Fourth Fundamental Theorem respecting Capital," by 
John Carruthers, M. Inst. C.E. (Transactions, p. 24.) 
Dr. Newman did not agree altogether with the author's views. Political economy 
did not apply in the same way in all countries. It was a mistake to think that capital 
was only useful when in use. He quite agreed with Mill’s theory with the limitations 
he puts on it. The author did not, in his opinion, understand the value of passive 
capital. 
Mr. Young wished the discussion postponed, as he thought many objections might 
be made to the author’s view 
The author, in reply, RR that political economy had nothing to do with countries. 
It was a mathematieal question and was either true or false ; the axioms must be proved. 
. He did not consider that anything had beij. ae to show that he was incorrect in his 
views. 
