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THE VOYAGE OF H.M.S. CHALLENGER. 
Luidia alternata (Say), Liitken 
lUimbata, n. sp. . - 
—— clathrata (Say), Liitken . 
—— ciliaris (Philippi), Gray . 
—— longispina, n. sp. 
—— africana, 0. sp. .« 
sarsit, Diiben and Koren 
Sorficifer, nD. sp. . 
Family PENTAGONASTERIDA 
Subfamily PENTAGONASTERINE . 5 
Genus Pentagonaster, Linck . 
Pentagonaster semilunatus, Linck 
granularis, Retzius, sp. . . 
—— astrologorum (Miiller and Troschel), tains 
patagonicus, 0. sp. 6 . 
japonicus, N. sp. . 
lepidus, n. sp. 
arcuatus, N. sp. 
Genus Calliaster, Gray 
Calliaster baccatus, n. sp. 
Genus Chitonaster, Sladen ; 
Chitonaster cataphractus, n. sp. 
Genus Gnathaster, n. gen... : 
Gnathaster meridionalis, Smith, sp. 
elongatus, D. sp. . 
—— pilulatus, n. sp. . 
Genus Nymphaster, Sladen 
Nymphaster symbolicus, n. sp. . ; 
symbolicus, var. breviradiata, nov. 
— bipunctus, n. sp. . 
—— protentus, . sp. . 
albidus, 0. sp. 
basilicus, n. sp. 
Genus Paragonaster, Sladen . 
Paragonaster ctenipes, n. sp. 
cylindratus, n. sp. 
Genus Nectria, Gray . ; 
Nectria ocellifera (Lamarck), Gr 
Subfamily Gonroprscinz 
Genus Stellaster, Gray 
Stellaster incet, Gray 
princeps, 1. sp. 
Genus Leptogonaster, Sladen . 
Leptogonaster cristatus, n. sp. 
Subfamily Mimasterinz 
Genus Mimaster, Sladen 
Mimaster tizardi, Sladen 
cognatus, N. Sp. « 
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