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1. The Tail of the Serpent stretches for about a month and rises up from Sabik (η Ophiuchi), at the right leg of Ophiuchus, to end with θ:

Sabik 17h 10m 22.66s 17h 10.378m 260.7
ν 17h 20m 49.64s 17h 20.827m 263.4
ξ 17h 37m 35.23s 17h 37.587m 267.6
ο 17h 41m 24.92s 17h 41.415m 268.6
ζ 18h 00m 28.92s 18h 00.482m 273.4
η 18h 21m 18.92s 18h 21.315m 278.7
θ 18h 56m 13.16s 18h 56.219m 287.5

18th hour:
Sabik η Ophiuchi 2.43 15° 40′ S 17h 08m 260.7
  η Scorpii 3.32 43° 14′ S 17h 09m 260.9
Nodus I ζ Draconis 3.17 65° 47′ N 17h 09m 261.0
  π Herculis 3.16 36° 49′ N 17h 12m 261.7
Ras Algethi α Herculis 3.31 14° 27′ N 17h 12m 261.8
Sarin δ Herculis 3.12 24° 54′ N 17h 13m 262.0
  ο Ophiuchi 5.14 24° 17′ S 17h 15m 262.4
  ξ Ophiuchi 4.39 21° 07′ S 17h 18m 263.2
  θ Ophiuchi 3.27 25° 00′ S 17h 18m 263.4
  ν Serpentis 4.32 12° 51′ S
  ρ Herculis 4.15 37° 09′ N 17h 20m 263.9
  σ Ophiuchi 4.34 04° 08′ N 17h 23m 264.6
Lesath υ Scorpii 2.70 37° 18′ S 17h 28m 265.7
Alwaid β Draconis 2.79 52° 20′ N 17h 29m 266.1
Maasym λ Herculis 4.41 26° 09′ N 17h 29m 266.1
Shaula λ Scorpii 1.62 37° 04′ S 17h 30m 266.3
Kuma ν Draconis 4.86 55° 13′ N 17h 31m 266.6
Ras Alhague α Ophiuchi 2.08 12° 36′ N 17h 33m 267.1
Sargas θ Scorpii 1.86 43° 00′ S 17h 34m 267.3
  μ Ophiuchi 4.58 08° 07′ S 17h 35m 267.5
Nan Hae ξ Serpentis 3.54 15° 24′ S 17h 35m 267.6
  ι Herculis 3.82 46° 00′ N 17h 36m 267.9
Girtab κ Scorpii 2.39 39° 02′ S 17h 39m 268.6
  ο Serpentis 4.24 12° 53′ S
Kelb Alrai β Ophiuchi 2.76 04° 35′ N 17h 41m 269.1
Kew Ho μ Herculis 3.42 27° 43′ N 17h 43m 269.6
Apollyon ι Scorpii 2.99 40° 08′ S 17h 44m 269.9
Muliphen γ Ophiuchi 3.75 02° 42′ N 17h 44m 270.0
Basanismus G Scorpii 3.19 37° 02′ S 17h 46m 270.5
Pherkard δ Ursae Minoris 4.35 86° 37′ N 17h 48m 270.9
Rukbalgethi Genubi θ Herculis 3.86 37° 15′ N 17h 53m 272.1
  ξ Herculis 3.70 29° 15′ N 17h 54m 272.5
Etamin γ Draconis 2.24 51° 30′ N 17h 55m 272.7
  ν Herculis 4.41 30° 11′ N
  ν Ophiuchi 3.32 09° 46′ S 17h 56m 272.8
  ζ Serpentis 4.62 03° 41′ S 17h 58m 273.4

19th hour:
  τ Ophiuchi 4.77 08° 11′ S 18h 00m 273.9
Zhōngshān ο Herculis 3.84 28° 46′ N 18h 04m 275.0
Tung Hae η Serpentis 3.23 02° 54′ S 18h 19m 278.7
Alya θ Serpentis 4.62 04° 12′ N 18h 53m 287.5
Ga7-24 (194) Ga7-25 Ga7-26 Ga7-27 (*260)
Cujam (256.9)     Sabik (259.7), η Scorpii (259.9), Nodus I (260.0)
'December 3 (337) '4 17h (258.7) '6 (340)
"October 1 (274) "2 "3 "4 (277)
Ga7-28 Ga7-29 Ga7-30 (200)
π Herculis (260.7), Ras Algethi (260.8), Sarin (261.0), ο Ophiuchi (261.4) ξ Ophiuchi (262.2), θ Ophiuchi, ν Serpentis (262.4) ρ Herculis (262.9)
'7 '8 '9
"5 "6 "7
Ga7-31 Ga7-32 Ga7-33 (*266) Ga7-34 (204)
σ Ophiuchi (263.6) Lesath-υ (264.7), Alwaid, Maasym (265.1), Shaula (265.3) Kuma (265.6), Ras Alhague (266.1), Sargas (266.3) μ Ophiuchi (266.5), Nan Hae (266.6), ι Herculis (266.9)
'December 10 '11 '12 (346) '13
"October 8 "9 "10 "11 (284)
Ga8-1 Ga8-2 Ga8-3 Ga8-4 (*271) Ga8-5 Ga8-6
Girtab, ο Serpentis (267.6), Kelb Alrai (268.1) Kew Ho (268.6), Apollyon (268.9), Muliphen (269.0) Basanismus (269.5), Pherkard (269.9) Rukbalgethi Genubi (271.1) ξ Herculis (271.5), ν Herculis,  Etamin (271.7), ν Ophiuchi (271.8), ζ Serpentis (272.4) τ Ophiuchi (272.9)
'14 '15 '16 (350) '17 '18 '19
"12 "13 "14 "15 "16 "17 (290)

The Chinese names Nan Hae and Tung Hae mean, respectively, the Southern Sea and the heavenly Eastern Sea, according to Allen.

The name Alya has been touched upon earlier:

... It [α] was also Alioth, Alyah, and Alyat, often considered as terms for the broad and fat tail of the Eastern sheep that may have been at some early day figured here in the Orientals' sky; but we know nothing of this, and these are not Arabic words, so that their origin in Al Hayyah [Arabic for Snake] of the constellation is more probable ...