SEA LILIES, STARFISHES, ETC. — CLARK. 35 



r=35 mm. and br=40 mm. Comparison of these two 

 specimens brings out the interesting fact that there is ahnost 

 no increase, during growth, in the number of the big paxilh- 

 form ossicles ; in the small specimen there are 7 in the 

 midradial line of each arm, and about 8 in each interradial 

 area ; the whole dorsal surface is almost completely covered 

 hy them. In the big specimen, there are only 7 or 8 well 

 formed ones on each radial line, while in the interradial areas 

 the number is not more than 8 or 10 ; along the sides of the 

 basal part of each ray nev\' ones have formed, but they are 

 smaller than the others and merge into the ordinary abactinal 

 plates. But in the large specimen, the ossicles are widely 

 separated from each other, the abactinal skeleton and papular 

 areas being fully exposed. In the small specimen, there are 

 only 12 marginal plates in each series on each ray ; they 

 are closely joined with no trace of intermarginal papulae. 

 Even in the large specimen, however, I fail to find any 

 intermarginal papulae. 



Locs. — North-east of Cajje Pillar, Tasmania, 55-80 fathoms. 



Oyster Bay, Tasmania, 60 fathoms. 



Off Babel Island, Bass Strait, 50-60 fathoms. 



Between Davenport and Launceston, Tasmania. 



Forty miles west of Kingston, South Austraha, 30 fathoms. 



Great Australian Bight, 80-120 fathoms. 



Nectria ocellifera [Lamarck). 



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

 p. 553. 



Nectria ocellifera, Gray, Ann. Mag. Nat. Hist., vi., 1840, 

 p. 287 {oculifera, lap. cal.). 



"^rhese five specimens are probably from the same lot as those 

 in the Western Australian Museum at Perth, by means of 

 which it was possible to clear up the difference between 

 N. ocellata and N. ocellifera.'^ There can be no doubt, I 

 think, that the two species are perfectly distinct, and the 

 " Endeavour " collections seem to confirm the view that their 

 areas of distribution do not overlap. The specimens of N . 

 ocellifera at hand are all small, having R only about 40 mm. 



Loc. — Between Geraldton and Cape Naturahste, Western 

 Australia. 



1. H. L. Clark— Rec. West Austr. Mus., i., 1914, p. 139. 



