47o 



HIROSIII OHSHIMA : 



One specimen. Makurazaki, Kagoshima Prefecture, Kyushu. Mi- 

 yajima coll. Aug. 5, 1900. (Cat. no. 1121). 



One specimen. Kashiwajima, west of Shikoku. Tago coll. Mar. 

 22, 1905. (Cat. no. 1783). 



Many specimens. Tsuro-Mura, Province Tosa, Shikoku. Tago 

 coll. Feb. 18, 1905. (Cat. no. 1781). 



Two specimens. West coast of Tsuro-Mura, Province Tosa, Shi- 

 koku. Tago coll. Feb. 16, 1605. (Cat. no. 1780). 



Several specimens. Gogo Shima, Province Iyo, Shikoku. Ikeda 

 and Takeshita coll. July, 1903. (Cat. no. 1785). 



Many specimens. Agu Bay, Province Shima, Honshu. Nishikawa 

 coll. Oct. 29, 1905. (Cat. no. 1788). 



Many specimens. Koajiro, Misaki. July 17, 1890. (Cat. no. 18 14). 



Several specimens. Koajiro, Misaki. Mitsukuri coll. Aug. 12, 

 1897. (Cat. no. 1 120). 



Eight specimens. Aburatsubo Bay, Misaki. (Cat. no. 1856). 



Several specimens. Aburatsubo Bay, Misaki. Ohshima coll. Jan. 

 7, 191 1. (Cat. no. 1806). 



Several specimens. Aburatsubo Bay, Misaki. Ohshima coll. 

 Aug. il, 1910. (Cat. no. 1803). 



In all the specimens before me, the anchors measure 115-195^ 

 and the anchor-plates 57-135 p. in length. For precise discription of 

 the species I refer to Britten and Clark. 



4. Labidoplax dubia (Semper). 



Synapta dubia Semper, Holothurien, i867-'68, p. io; pl. IV, fig. 

 il - pl. V, fig. 14; pl. VIII, figs. 4, 16. 



Labidoplax dubia Ostergren, Das System der Synaptiden, 1898, p. 

 I 16. — Clark, The Ajrodous Holothurians, 1907, pp. 24, 96-97 ; pl. V, 

 figs. 25, 28. 



Four fragments. Izugahara Bay, Tsushima Islands, northwest of 

 Kyüshü. Namiyé and Tsuchida coll. Feb., 1891. (Cat. no. 1789). 



