Nicholson, Dr., of Sydney.

Nietzsche, means to read.

Nordenskiold, fossils from Spitzbergen.

Northumberland, Duke of (First Lord of the Admiralty).

Norwich, Fishery Exhibition at.

Oakley, Sir Herbert, vicar of Ealing.

Objects of the sea-shore, letters on.

"Oceanic Hydrozoa". —loses priority by delay. —still of use in 1867.

Officers, retired, in administrative posts.

Official work. —growth of. —climax of.