Reverend Thomas Burns
Dunedin, Otago.
Larnach Castle is situated on the Otago peninsular, near the city of Dunedin, in the South Island.
Palmerston,Otago or Palmerston South.
Sir Apirana Ngata.
Schist is found in both those places, and could be considered silky perhaps. Asbestos is also found in both places and is silky, but the Otago source is small and remote.
The city, Dunedin, in Otago, in the lower half of the South Island, is known as the Edinburgh of the south.
There are two possible postcodes: 9010 and 9016. 9010 is for north of the Botanic Gardens (i.e. North East Valley, Pine Hill, Opoho), while 9016 is for south of the Botanic Gardens (Dunedin North and the University of Otago)
Christchurch
Lincoin University is college that is an agricultural university starting with L in NZ.
Christchurch.
The first ship to circumnavigate NZ was Captain Cook
The heaviest spiders in New Zealand would be the Trapdoor spiders in Otago, or the Funnel Web spider - widespread throughout NZ. [Unfortunately, my references did not give weights - sorry.]