AciiNoroDors holothlkiuide.v. 



63 



of wliich attuiu u very clabomtc liguro, dichutuiuuiisly dividing,' 

 live times. Otliers are simple and present tlie appearance of a 

 more open trelliswork. l]i the \enti'al perisome, tlie calcareous 

 deposits are thicker in structure. Some are simi)k( oval grains. 

 Others are rosettes wliich present tlie appearance of more or less 

 oval granules united Iiy 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. Sui)i)orting rods are found in the i)odicels. There 

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

 /\N\ some delicate trellis-like calcareous l)odies at the end. 

 ^^^ — I Calcareous ring as in textfig. 13. Cuvieriau 



tubes are thrown out in large numbers, and are 

 very sticky ; the ends of tli(_! threads are i)uinted, 

 not club-shaped. In each individual, one Ficrdsfer 

 is found. 



This species is known in Amami-Oshima as 

 " Ayami-Shikiri.'"(') In Liu-Kiu, it is dried and made into trepangs 

 and is called " Me-haya."(2) (Pl. m., fig, 30). Argus spots are 

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

 17 Yen per lOO Kin. 



Locality : — Seyclielles (FiAMrEitT '85) ; ("'eyloii (IjKLL '87); I'llpliinstoiie 

 Is, MerfTui Aruli. (Bell '8(i) ; J'jidiiiijj; ( LunwiG '82 1 ; Thiiuv i Lniwid '82); 

 Waigeu (r.rmvKi '82); CeklKss i.TAKiiKit '33) ; Amlioina (Kokhlkk ■9.j);Zebu 

 (LAMrEiiT '85); Fiji (TiniEL '85); Funafuti (WrarELEiuiE '97); Siuuoa 

 (Hejipei; '(j7 — '08); Tnliiti (TjUdwhi '83); Auuclioreteuiusol (Lami>ei!T '89); 

 Bay of .Segar, McChier (Uilf, A\'. Coast New (iuiiieji (Lampei:!' '89); Cireat 

 Banier Keef (Kent '93j ; lioma iSluitki; : 01 i ; Jlaingsisi (Sllitei; :0l) 



1 11 



Textfig. 13. 

 llolothitria aiyn.s 

 Calcnreous ritit 

 I — Interradiiilia. 

 K — Riulmliii. 



W Ayamt, with elalwriite figures us iu mubroiilory ; .S/ii/cui, u Liulolbiiriun. 

 (^' Me, eyes ; haya, WiilcUing with. 



