ACROSS

 1 Not a double knocker. (11)

 9 Forms a line in court. (4)

10 See 21.

11 Goal of many a Nordic lass. (4)

12 Chevalier sings of this place. ( 7 )

13 If these Japanese gentlemen took tea, they'd be fired. (7)

15 Hen? (8)

16 Circus stars and stripes on them. (6)

18 He's far removed again. (6)

21 and 10. Earth? (6, 2, 5)

24 These show all the markings of a Parisian. (7)

26 Sink where the fuel is kept. (7)

28 Pale excuse. (4)

29 I have only an hour ahead of me to find such a heavenly creature. (5)

30 Not too fat to bend over. (4)

31 Greeley ? (4, 7)

DOWN

 2 Fruit comes from just one tree after another. (9)

 3 She referred to the "primrose path of dalliance." (7)

 4 "Which, like the ________ wears yet a precious jewel in his head." (4)

 5 Two of the four winds blow from here to Mobile ? (7)

 6 Thing it? (5)

 7 First-class circle ? (6)

 8 A lot of new business goes on it, and changes with age. (6)

14 In summer, both kinds play in the sticks. (5)

17 A table leg gets broken, but it's hardly worth mentioning. (9)

19 This is easy! (6)

20 Object of a peaceful burial by the brave. (7)

22 Caution! Bridge out of here! (7)

23 What can keep the squeaks out? (6)

25 A seer to make things disappear. (5)

27 Alaskan goddess ? (4)

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