1: Cathy's new boat (5)

3: Odds of niece being born (3)

5: He wrote a bit of poetry! (3)

7: Chump first class, and very Italian (5)

8: Nice work - point out the beginning (9)

9: Gripped by instrument, a longish claw (5)

10: Sprinted fleetly? (3)

12: In fear of wheat head (3)

13: Father's into whips and chains, a violent action (5)

1: Chatter about some pay-back (3)

2: Times leader knocks adornments (9)

3: Nits are possibly more unpleasant (7)

4: Pervert stripped in mineral water (5)

6: Coral Sea, perhaps, without a fish (7)

8: Fiber extracted from thistles (5)

11: Vet theatre opening 8-down (3)