78 



K. MiTsuKüra : studies on 



1886a, p. 216.— Ludwig 1887^ p. 1227.— Ludwig 1888, p. 807.— Ludwig 

 1889—92, p. 329.— Kent 1893, p. 237.— Sluitei: 1894, p. 103.— Koehler 

 1895c/, p. 281.— SLuiTEii 1895, p. 79.— Bedford 1899o, p. 147.— Ludwig 

 1899, p. 559.— Sluitee 1901&, p. 8. 



Trepang edulis Jaecœk 1833, p. 24. — ^Beandt 1835, p. 57. 



Holothuria fuscoc'imrea Selenka 1867, p. 337, Taf. XTX., Fig. 86. 



Holotliuria signala Ludwig 1874, p. 23, Fig. 36. — Lampeut 1885, p. 64. 

 — Théel 1886a, p. 222.— Ludwig 1889— '92, p. 330.— Lami-ert 1896, p. 53. 



Specimens examined : — 



Description : — Tentacles 20. Dorsal papilla minute and more 

 scattered than tlie ventral pedicels. 2-5 Polian vesicles ; 2-5 

 stone-canals united into a bundle. Tlie disks of the tables reduced 

 to a small ring narrower than tlie top of the spire, which, seen 

 from above, presents a small circular hole surrounded by four 

 prominences, each with about four or live minute teeth. The 

 fenestrated plates nearly like those in II. grisca. Dorsum violet- 

 black. Ventrum and the sides beautiful red. Length of body 

 10 cm. In alcohol, dark reddish-brown on the back, light greyish 

 on the ventral surface and the sides. A minute dark ring round 

 the base of light-colored pedicels. (After Lampeet and Theel). 



