The politico-economical importance to England of her colonies.-- Extraordinary growth of Sydney.--Public buildings.--Expeditions of discovery into the interior of Australia.--Scientific endeavours in Sydney.--Macleay's Seat at Elizabeth Bay.--Sir Daniel Cooper.--Rickety Dick.--Monument to La Pérouse at Botany Bay.--The Botanical Garden.--Journey by rail to Campbelton.-- Camden Park.--German emigrants.--Wine cultivation in Australia. Odd Fellows' Lodge at Campbelton.--Appin.--Wulongong.--Mr. Hill.--The Aborigines.--Kangaroo hunting.--Coal mines in the Keira range.--An adventure in the woods.--Return to Sydney.--The Australian club.--Excursion up Hunter River as far as Ash Island.--"Nuggets."--The _Novara_ in the dry dock at Cockatoo Island.--Reformation among the prisoners in the colony.-- Serenade by the Germans in Sydney, in honour of the expedition.-- Ball on board the frigate.--Political life in Sydney.--Excursion for craniological purposes to Cook-river Bay, and Long Bay.-- Intercourse with natives.--Wool growing.--Attempts to introduce the Llama and Alpaca from Bolivia.--The gold-fields of the colony of New South Wales.--Is Australia the youngest or oldest part of the globe?--The convict-system and transportation as a punishment.--Departure from Sydney.--Barrier Island.--Arrival at Huraka Gulf, New Zealand. 1 CHAPTER XIX. AUCKLAND.