(1 indexed version.  Some messages use it 0 indexed)
1 - Alchemy
2 - Anatomy
3 - Animal Lore
4 - Item ID (Appraise)
5 - Arms Lore
6 - Parrying (Battle Defense)
7 - Begging
8 - Blacksmithing
9 - Bowcraft
10 - Peacemaking (Calming)
11 - Camping
12 - Carpentry
13 - Cartography
14 - Cooking
15 - Detect Hidden
16 - Enticement
17 - Evaluate Intelligence
18 - Healing
19 - Fishing
20 - Forensic Evaluation
21 - Herding
22 - Hiding
23 - Provocation
24 - Inscription
25 - Lockpicking
26 - Magery
27 - Magic Resistance
28 - Tactics
29 - Snooping
30 - Musicianship
31 - Poisoning
32 - Archery
33 - Spirit Speak
34 - Stealing
35 - Tailoring
36 - Animal Taming (Taming)
37 - Taste Identification
38 - Tinkering
39 - Tracking
40 - Veterinary
41 - Swordsmanship
42 - Mace Fighting
43 - Fencing
44 - Wrestling
45 - Lumberjacking
46 - Mining
47 - Meditation
48 - Stealth
49 - Remove Trap
50 - Necromancy