ACTIXOrODOrS IIOLOTHrPJOIDEA. 1 1 I 



some, consisting almost exclusively of delicate fiiigroe-like rosettes 

 (a). 



Anus with five groups of small papilla?. Shields of tentacles 

 somewhat dark. 



This is one of the commonest and at the same time most 

 ambiguously defmed species. Almost every writer differs materi- 

 ally from others in characterizing some of the important features. 

 This is probably due to the fact that this species is evidently a 

 veiy extensive one, presenting many forms of variation, which 

 different authors have seized for their respective descriptions. Also 

 some of those phases may have been described as different species. 

 Thkel goes so far as to think — with much show of reason I be- 

 lieve — tliat //. marmaraUt, II. argiis, II. vitien^is, II. tennhsima, II. 

 kbllikeri, II. clemens, II, slmilis are probably only young or varie- 

 ties of one, or at the most, of two or throe species. Of this, 

 however I shall have more to say at another place. 



LocaViiy .•—Mauritius (Haacke '80, Ludwig '83, Theel '86) ; Myotte 

 (Sluiter '95) ; Andaman Is. (Bell '87); Tuticoriu, Madras (Belt. '88); Ni- 

 cobar Is. (Semper 'G7— S) ; Batavia (Hluiter '95j; Palo Edam (LuDwro 'S8j; 

 Insel Etlam, Bai von Batavia (8LUITER '87) ; lusel Noordwacliter (Sluiter 

 '87); Cocos Is. (Sleiter '95); Java (Selenka '67) ; Celebes (Jaeger '33, 

 Lampert '85); Bobol, riiilippine Is. (Semper 'G1 — 8); Zebu (Lajipert '85); 

 Ogasawara Is. (Semper '67 — 8) ; Amlwhifi (LunwiG '82, '88, Sluiter '94, 

 '95) ; Ualan, Cai-oline Is. (Brandt '35) ; Fiji Is. (Semper '67—8); Geelvink 

 Bay (LUDWIG '82); Great Earner Reef (Kent '93) ; South Sea ? (Lamtert 

 '85j; Puhi-rassi-Tanotte (Sluiter : 01); Kwandang Bai, Pajunga I. (Sluiter 

 : 01) ; Souana Bai (Sluiter : 01); Timor (Slufter : 01); Bom.-i (Sluitei; 

 : 01) ; Okinawa I. ; Tones Strait. 



