ASTEROIDEA 



99 



Koehler's revision of 1920 with the addition of two new species added in 1923. With each 

 is the interpretation given in the present paper: 



Koehler 



Acodontaster elongatus (Sladen) name only 



A. elongatus var abbreviatus 



A. cremeus (Ludwig) 



A. capitatus (Koehler) 



A. granuUferus (Koehler) 



Pseudontasfer margmatus Koehler 



Ps. stellatus Koehler 



Ps. conspiams Koehler 



Ps. moderatus Koehler 



Tridontaster laseroni Koehler 



Metadontaster waitei Koehler 



Gnathaster meridionalis (Smith) name only 



G. peniciUatiis (Philippi) 



G. validus (Koehler) 



G. tenuis (Koehler) 



G. elegans (Koehler) 



Peridontaster grayi (Bell) 



P. pusillus (Koehler) 



Epidontaster pentagonalis Koehler 



Asterodon singularis (M. & T.) 



Fisher 



A. elongatus 



A. conspicuus 



A. elongatus 



A. elongatus forma capitatus 



A. elongatus granuUferus iorma. granuUferus 



A. marginatus 



A. elongatus 



A. conspicuus 



A. elongatus 



A. hodgsoni (Bell) 



A. waitei 



Odontaster meridionalis 



O. penicillatus forma penicillatus 



O. validus 



O. validus forma tenuis 



O. meridionalis (Smith) 



O. penicillatus forma grayi 



O. pusillus 



O. meridionalis juv. 



A. singularis forma singularis 



Genus Odontaster Verrill 



Odontaster Verrill, Amer. J. Sci., xx, 1880, p. 402. Type O. hispidus Verrill. 



Gnathaster Sladen, 1889, p. 205. Type G. meridionalis (Smith). — Perrier, 1894, first reviser. 



Gnathodon Verrill, 1899, p. 203 (error). 



Epidontaster Koehler, 1920, pp. 191, 195. Type E. pentagonalis Koehler = Odontaster meridionalis 



(Smith). 

 Peridontaster Koehler, 1920, pp. 192, 194. Type Odontaster grayi 'Be\\ = 0. penicillatus Philippi, var. 

 Gymnognathaster Doderlein, 1928, p. 297. Type G. gaussae Doderlein (perhaps a young O. ?neri- 



dionalis, R 7 mm.). 



Odontaster meridionalis (Smith) 



Astrogoniufn meridionale Smith, 1876, p. 109. 



Pentagonaster meridionalis Smith, 1879, p. 276, pi. 16, figs. 6, 6a. 



Gnathaster meridionalis Sladen, 1889, p. 287, pi. 47, figs, i, 2; pi. 48, figs. 5, 6; pi. 49, figs. 11, 12. 



Odontaster elegans Koehler, 1912, p. 72, pi. 7, figs. 5-1 1. 



Gnathaster elegans Koehler, 1920, p. 227, pi. 41, figs. 7, 8; pi. 71, fig. 4. — 1923, p. 85.— Doderlein, 



1928, p. 297. 

 Epidontaster pentagonalis Koehler, 1920, p. 235, pi. 39, figs. 3, 4, 8; pi. 41, figs. 9-11. 



St. 160. Near Shag Rocks, 53° 43' 40" S, 40° 57' W, 177 m., grey mud, rocks, i specimen. 



St. 164. East end of Normanna Strait, South Orkneys, near Cape Hansen, Coronation Island, 

 24-36 m., 3 specimens. 



St. 170. Off Cape Bowles, Clarence Island, 61° 20' 30" S, 53° 46' W, 342 m., rocks, 3 young 

 specimens. 



St. 190. Bismarck Strait, Palmer Archipelago, 93-130 m., rock or stones and mud, 3 young 

 specimens. 



St. 371. One mile east of Montagu Island, South Sandwich Islands, 99-161 m., 2 large specimens. 



