WORD SPIRAL

Starting from 1, fill in the grid clockwise with four-letter words. The last letter of each word becomes the first letter of the next to reveal a surname. 1. School test 2. Repast 3. Garden grass 4. Short letter 5. Gaelic 6. Engrave 7. Parsley, say 8. Support 9. Hit with the foot 10. New Zealand bird 11. Data 12. Egg-shaped 13. Heavy metal 14. Perishes 15. Move in water 16. Gentle