AC'lIXOrODOUS HOLOTHUEIOIDEA. 63 



of which attain a very elaborate figure, dichotomously dividing 

 live times. Others are simple and present the appearance of a 

 more open trelliswork. In the ventral perisome, the calcareous 

 deposits are thicker in structure. Some are simple oval grains. 

 Others are rosettes which present the appearance of more or less 

 oval granules united by delicate bands. This form passes over l)y 

 gradual transition to the regular dichotomously divided rosettes, 

 but none in the ventral perisome are so delicate as those in the 

 dorsal perisome. Supporting rods are found in the pedicels. There 

 are no end-plates in the papillae, although there are 

 some delicate trellis-like calcareous bodies at the end. 

 Calcareous ring as in textfl$x. 13. Cuvierian 



1 11 o ._ 



tubes are thrown out in.. large numbers, and are 

 very sticky ; the ends of the threads are jjointed, 



Ifolollairia arqus : 



not club-shaped. In each ijidividual, one Fieras fer 



Lnlcareous nng. ■■■ 



I— iDterradiiilLi. is fOUUd. 



K— Radiahii. Tliis spccics is kuowu in Amanii-Oshima as 



" Ayami-Sliikiri."(^) In Liu-Kiu, it is dried and made into tre})angs 

 and is called " Me-liaya."('2) (PL 111., fig. 30). Argus spots are 

 visible in the dried state. The trepangs of this species are worth 

 17 Yen per 100 Kin. 



Locality : — Seychelles (Lampeiît '8-5) ; (^ejloii (Bell '87) ; Elpliiustouo 

 Is., Mergni Arch. (Bell '8G)'; Padniig (LuDWKr '82); Timor (Ludwig '82); 

 Waigeu (Ludwig '82); Celebes (•Taegeü '33) ; Aniboiua (Koehlei; '95) ; Zebu 

 (Lampert '85); Fiji (Théel '85); Funafuti (Whitelegge '97); Samoa 

 (SExMrER '67 — 'OS) ; Tahiti (Ludwig '83) ; Anachoreteniusel (Lampert '89) ; 

 Bay of Segar, Mctluer Gulf, AY. (~*oast Xew (kiiuea (Lampert '89) ; Great 

 Banier Beef (Kent '93) ; Borna (^Sluiter : 01) ; Haiugsisi (SLurrER : 01) 



G) Ayamt, with eliiborate figures as in embroidery ; Sliilciri, a huluthnrian. 

 '^> Me, eyes ; hnya, watching with. 



