I am stuck on 4. They are:-
4. Primate in royal house out east (5)
15. Ounce of powder a son spilt crossing a lake (4,7)
20. Lizard, for instance, is repelled by cold floor.(5)
67. People employed to supervise lizards(8)
Help appreciated. Have been given clues to 4 & 67 but still none the wiser.