THE VOYAGE OF H.M.S. CHALLENGER. 
The following list will serve as a convenient means of reference and may appropriately 
find a place here :— 
Species erroneously referred to tire ore 
Archaster. 
Archaster agassizii, Verrill 
Archaster americanus, Verrill . 
Archaster andromeda, (Miiller and Troschel, sp. . Liitken 6 
Archaster arcticus, (Sars, sp.), Perrier 
Archaster bairdii, Verrill 
Archaster bifrons, Wyville Thomson 
Archaster christi, (Diiben and Koren, sp.), Peper : 
Archaster coronatus, Perrier . 
Archaster echinulatus, Perrier. 
Archaster efflorescens, Perrier . 
Archaster excavatus, Wyville Thomson 
Archaster flore, Verrill . 
Archaster formosus, Verrill 
Archaster grandis, Verrill 
Archaster hesperus, Miller and Troschel.. 
Archaster insignis, Perrier 
Archaster lucifer, Valenciennes, M. S. bal Pasiee 
Archaster magnificus, Bell 
Archaster mirabilis, Perrier 
Archaster parelii, (Diiben and Koren, sp. ), Sig 
Archaster pulcher, Perrier 
Archaster robustus, Verrill 
Archaster sepitus, Verrill 
Archaster simplex, Perrier : 
Archaster subinermis, (Philippi, sp. ), Perrier’ . 
Now referred to the Genus indicated in the 
following terms :-— 
Plutonaster (?) agassize, Verrill, sp. 
Psilaster andromeda, Miiller and Troschel, sp. 
Leptoptychaster arcticus, Sars, sp. 
Plutonaster bifrons, Wyville Thomson, sp. 
Psilaster andromeda, Miiller and Troschel, sp. 
Pontaster coronatus, Perrier, sp. 
Pontaster echinulatus, Perrier, sp. 
Leptoptychaster kergquelenensis, Smith. 
Bathybiaster (?) or Psilaster (2) 
Dytaster (?) grandis, Verrill, sp. 
Craspidaster hesperus, Miller and Troschel, sp. 
Dorigona longimana, Mobius, sp. 
Moiraster magnificus, Bell, sp. 
Pontaster mirabilis, Perrier, sp. 
Tethyaster parelii, Diiben and Koren, sp. 
Pontaster (?) pulcher, Perrier, sp. 
Pararchaster simplex, Perrier, sp. 
Tethyaster subinermis, Philippi, sp. 
Archaster tenuispinus, (Diiben and Koren, sp.), Sars 
Archaster vexillifer, Wyville Thomson 
Pontaster tenuispinus, Diiben and Koren, sp. 
Bathybiaster (2) vexillifer, Wyville Thomson, ‘sp. 
I have considered it best to withhold any expression of opinion on the generic affinities 
of some of these forms, as I have not had an opportunity of studying specimens, and I feel 
unable to form a correct judgment from the descriptions alone. In two or three cases 
where the description seemed to warrant a surmise I have hazarded a determination, and 
have placed a (?) after the genus. 
Chorology of the Genus Archaster. 
a, Geographical distribution :— 
InpiAN and 8. Pacitric Oceans : Two species between the parallels of 20° N. and 
40° 8. 
Archaster angulatus has its metropolis at Mauritius, and extends 
to Australia. There is a specimen recorded from Java in the Berlin 
Museum, named and mentioned by Miller and Troschel,’ but the 
1 System der Asteriden, p. 66. 
