The King v Morison - [1950] NZLR 247

Maoris and Maori Land — Bed of Wanganui River — Vested in Crown excepting where Subject to Express Crown Grants — Limit of Jurisdiction of Maori Land Court to determine whether Any Land is European Land or Maori Land — No Jurisdiction to determine Questions of Law not being Investigation of Title — Excess of Jurisdiction in Investigation of Title — Right of Crown to seek Prohibition — Coal-mines Act, 1925, s 206 — Maori Land Act, 1931, s 50 — Maori Purposes Act, 1939, s 3 (1) (b).