Cryptic Clues

ACROSS
1 Part of a helmet made from heavy woollen cloth (6)
4 Lay members of a religious order in Britain alternate on Sunday (8)
9 Old band leader's material (6)
10 Coachmen slaughtered by Indian tribe (8)
12 Your Majesty's father (4)
13 Completely destroy the entire amount (5)
14 Overturned in the French river (4)
17 Discussion of French story about boy with daily allowance (12)
20 Opera featuring eastern ingenue gone wild (6,6)
23 Clergyman decapitated immediately (4)
24 Girl working with South African novelist (5)
25 Carry the first books to Spain (4)
28 Surprisingly loath to visit Rhode Island with old seducer (8)
29 Fix and go (6)
30 Beginning with swindle involving sailor (8)
31 Set forth in pomp with duke (6)


DOWN
1 Support team in bottom place (8)
2 Behind time with students in spite of everything (5,3)
3 Upset irritable god (4)
5 Heath taken aback by a Time' article on best novel (4,2,3,3)
6 The edges of them incorporate each side (4)
7 Cryptic clue I finally solved is mathematician' (6)
8 Country editor overwhelmed by news set up (6)
11 Inadequate statement made by Fanny Price for instance (4,8)
15 Engaged in a boxing match (5)
16 Pronounce probe' (5)
18 Italy's top general embraces new love (8)
19 Beloved English dean dreadfully embarrassed (8)
21 Plane crash near southern city (6)
22 Left one with a Shakespearean heroine (6)
26 Pale model discovered in poverty (4)
27 Touched a soft fabric (4)