ECHINODERMATA — CLARK. 529 



-attention here to the fact that they are really A. pectinatus 

 Sladen. Aside from the differences between young and old, 

 Sladeu's description answers very well even for very large speci- 

 mens. It may be mentioned, howevei*, that the adambtilacral 

 armature even in small specimens, often has four and rarely five 

 spines in one or more of the three rows of which it is composed. 

 All of the specimens before me are light brown, but there is no 



■ clue as to what the colour may have been in life. 



LUIDIA FORFICIFER. 



.Luidia forficifer, Sladen, Chall. Report, Zool., xxx., 1889, p. 258. 



One specimen from Station 21. Newcastle Bight, 28-40 

 fathoms; fine grey sand. 



This specimen, 125 mm. in diameter, ashy-grey in colour, shows 

 no important differences from Sladen's description. 



LUIDIA MACULATA. 



Luidia maculata, Miiller and Troschel, Syst. der Ast., 1842, p. 77. 



Three magnificent specimens of this species, without any indi- 

 cation of locality, are in the collection. They are handsomely 

 variegated with dull black and yellow, and each has seven arms. 

 In the largest, R=250 mm. 



NECTRIA OCELLIFERA. 



.Asterias ocellifera, Lamarck, Anim. sans Vert.,ii., 1816, p. 553. 

 .Nectria oculifera (sic) G-ray, Ann. Mag. Nat. Hist, vi., 1840,p.287. 

 Nectria ocellifera, Dujardin et Hupe, Echinodermes, 1862, p. 406. 



One specimen from Station 56. Off Botany Bay, 79-80 

 fathoms ; sand and stones. 



One specimen from Station ■? 



Both of these specimens are very fine adults, with R=130 mm. 

 'Their colour is dark brown. 



OPHIDIASTER GERMANL 



■Ophidiaster germani, Perrier, Arch. Zool. Exp., iv., 1875, p. 394. 



One specimen. Lord Howe Island. 



This specimen is very pale fawn-colour, and has R=67 mm. 

 I refer it with some hesitation to Perrier's species, for while it 

 --answers well to his description, it has one character, not men- 



