1.8 Type of mob ID in play_server_spawn_entity_living packet / PacketPlayOutSpawnEntityLiving / SPAWN_ENTITY_LIVING (0x03)

30: ArmorStand
50: Creeper
51: Skeleton
52: Spider
53: Giant
54: Zombie
55: Slime
56: Ghast
57: PigZombie
58: Enderman
59: CaveSpider
60: Silverfish
61: Blaze
62: LavaSlime
63: EnderDragon
64: WitherBoss
65: Bat
66: Witch
67: Endermite
68: Guardian
90: Pig
91: Sheep
92: Cow
93: Chicken
94: Squid
95: Wolf
96: MushroomCow
97: SnowMan
98: Ozelot
99: VillagerGolem
100: EntityHorse
101: Rabbit
120: Villager