JAPANESE ASTEKOIDEA. 51 



(( 



<( 



(C 



îirms of one and the same individual. The species stands midway between 

 O. alveolatus, in which inferomarginal spines are also developed, and 0. 

 noclosus, in which there are no marginal spines at all. 

 Hab. Indian Ocean (Mauritius, Timor). 



R 110 95 80 64 



r 40 34 28 26 



" Greatest breadth of arm 35 34 31 26." 



Bell mentions 0. lincld from Mosambique ['84a, x^- 510]. Studep^ 

 mentions it from New Britain as follows ['84, p. 40] : " Neben den oben 

 genannten Arten^^ ist im Neu-Britanischen Archipel noch P. mvricahis Gray 

 häufig, wie zalüreiche von FmscH in Neu-Britanien gesammelte Exemplare 

 des Berliner Museums zeigen. Ich erhielt doii diese Ali nicht." Bell 

 mentions it from Ceylon and adds ['87a, p. 647], " I think it is probable 

 that further search will be rewarded by the discovery of other species of 

 Oreaster on the shores of Ceylon." The same writer again mentions it 

 from the Sea of Bengal ['88, p. 384, 388]. Meissner ['92, p. 187] men- 

 tions it under the name of Pentaceros mmicatvs (Gray) from Zanzibar, " 1 

 getrocknetes Exemjjlar." Russo mentions it from the Bed Sea ['94, -p. 162, 

 ßde Zool. Record]. 



Sluiter mentions this species in his paper on the Asteroidea of the 

 Amsterdam Musemn ['95, p. 56] : 



" 29. Pentaceros muricaius Linck. Ein getrocknetes Exemplar von 

 Neu-Ierland, zwei getrocknete von den Molukken (v. d. HüCHt), und ein in 

 Alkohol von Zanzibar." 



It appears to be mentioned also by Pfeffer from Zanzibar ['96]. 

 DÖDEELEIN mentions the presence of the " Krystallkorper " in this species 

 ['98, p. 493]. 



It is also mentioned by Ludwig ['99, p. 540] from Zanzibar as 

 follows : 



" Pentaceros mttricatns LmcK. 



"1 Exemplar dieser weit^-erbreiteten indopacifischen Aii von Sansibar, 

 von w^o sie schon dm-ch Lùtken (1875), Peerier (1875), Meissner (1892) 



1) 0. hmlcv.s and 0. htrritus. 



