iii: What soup was liked by the offal-loving Bloom?
vii: What did Phemie offer Jaikie if he came indoors about midday?
viii: What salivary delicacy is popular in the Far East?
x: What did the Bucket family have for supper?
THE THEME IS SOUP!
i: CULLEN SKINK (made with haddock not lizards) is neither scincomorphic nor (via Guardian/KWQ typo) sincomorphic) (via jeff_worrell)
ii: is CHOWDER, from Moby Dick (guessed by jauntyalan, google-confirmed by dubdobdee
iii: is from Joyce’s Ulysses, but not yet identified, except that it’s probably not KIDNEY SOUP (tho Bloom does like kidneys) (explored by carsmilesteve and marnameow)
iv: is PORTABLE SOUP, from Patrick O’Brian’s The Thirteen-Gun Salute (googled by jeff_worrell)
v: this is the Bible’s ESAU (= “an hairy man”) swapped a MESS OF POTAGE for his inheritance from his brother Jacob (known by dubdobdee and sbp)
vi: COCK-A-LEEKIE, from The Fortunes of Nigel, by Sir Walter Scott (googled by jeff_worrell)
vii: is presumably some kind of soup (not yet identified), featuring in Buchan’s Huntingtower (explored by katstevens)
viii: guessed but not confirmed: BIRD’S NEST SOUP (primary ingredient = spit) (proposed by dubdobdee)
ix: this is the MOCK TURTLE from Alice (known by dubdobdee)
x: guessed but not confirmed: is BONE or BREAD or CABBAGE SOUP, from Charlie and the Chocolate Factory (proposed by jauntyalan and kat)