Please send answers to the Bulletin Editor (Tony Cook, A.C...@ulster.ac.uk). A book token will go to the winner - the first correct answer opened on 1st April.

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ACROSS

7. Landscape gardener's invisible barrier is very amusing (4)

8. Airtight seal (9)

9. A mimic (8)

10. To quote in support (4)

12. To conceal in 100 Roman sneers (6)

13. French boy friend (3)

14. Bioluminescence? (4)

15. Cowrie which knows its way around (3)

16. Tubes to sip nosh? (7)

18. Lyrical ending to mode (3)

20. Mediterranean bivalve at home in Peru (4)

21. A couple in tow (3)

22. Cerebral ganglia, simply put (6)

24. Upended rodents shine (4)

25. See the same shape in prism.O Ho! (8)

27. Eat a clue. Digested it prickles.(8)

28. Quieten (4)

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DOWN

1. A China money, exchanged, hints at mollusc's royal blood (11)

2. Bovine herd (6)

3. St James's symbol or a comb? (6)

4. Confused, frantic? Add nothing and you'll get only a part (8)

5. Snails with no head for heights (7)

6. Small depression (3)

8. Pulmonate character recalls mythical union (13)

11. Snails won by a Herculean task, adopted by Society (6,5)

17. Inside a body (8)

19. Snail models for evolution, now models for extinction? (7)

22. Fuel from bacterial action (6)

23. Good God! Another moon mission. (6)

26. Hard to follow a confused feline (3)

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Answers to August 1997 Crossword (Issue No. 29)

ACROSS:

1. STAVE,

5. PATINA,

9. VENUS,

12. IN,

13. LA,

14. TAME,

15. PRO,

16. AT,

17. MP,

19. SHELL,

23. PRAWN,

25. EQUATION,

27. PAN,

28. NUCELLA,

30. RADULA,

32. SIR,

34. NUT,

35. SALPS,

36. SLUGS.

DOWN:

1. SOLO,

2. AV, 3

3. VETCH,

4. ENA,

6. TORT,

7. NI,

8. AN,

10. UM,

11. SEALION,

15. PALP

18. PINNA,

19. SQUID,

20. ENTALIS,

21. SAPLING,

22. PEARLS,

24. WALRUS,

26. NUN,

29. ES,

31. AN.