Arachnite

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 animal skin
(0, 16, D:1)
  a hobgoblin skeleton
(4, 12, D:1)
  a +0 short sword
(8, 31, D:1)
  a +0 mace
(12, 38, D:1)
  a jackal skeleton
  a hobgoblin skeleton
(14, 3, D:1)
  a +0 sling
(17, 18, D:1)
  a hobgoblin skeleton
(17, 19, D:1)
  7 stones
(17, 50, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(20, 0, D:1)
  a +0 ring mail
(29, 17, D:1)
  a bat skeleton
(36, 6, D:1)
  a +0 whip
(41, -1, D:1)
  a +0 short sword
  a kobold skeleton
(43, -1, D:1)
  a bat skeleton
(51, 7, D:1)
  a rat corpse (skeletalised by now)
(52, 5, D:1)
  a +0 whip
(53, 6, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 sling
(15, 46, D:2)
  a rat skeleton
(17, 32, D:2)
  a frilled lizard skeleton
(17, 54, D:2)
  7 stones
(36, 33, D:2)
  a bat skeleton
(37, 30, D:2)
  a quokka corpse (skeletalised by now)
(46, 35, D:2)
  a ball python skeleton
(49, 14, D:2)
  a +0 mace
(49, 37, D:2)
  a hobgoblin skeleton
(54, 16, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(60, 43, D:2)
  2 stones

Level 3 of the Dungeon
(18, 0, D:3)
  a dart slug corpse
(19, 0, D:3)
  a frilled lizard corpse
(27, 1, D:3)
  an adder corpse
(29, 17, D:3)
  an adder corpse
(31, -10, D:3)
  a potion of haste
(31, -4, D:3)
  a flux talisman
(33, -17, D:3)
  a scroll of identify