Cryptic Crossword Issue 1

1234567891011
Across
  1. 2. Ossia is the best fertile space
  2. 4. Lepa likes to read people's minds
  3. 6. One who can't sleep in Masonic disturbance
  4. 10. Falls back to AR again
  5. 11. Ticking the restaurant bill
Down
  1. 1. Marath likes running 26 miles
  2. 3. Compare 51 Romans with Barbie's mate
  3. 5. Sister in conundrum
  4. 7. Rats in space backwards
  5. 8. For land measurements, refer to Aker's report
  6. 9. Half the trough? That's gross!