THE SYNAPTID.E OF JAPAN. 



469 



9-12; pl. XXIII, figs. 1-13; pl. XXIV, figs. 14-17. — Ohshima, Synap- 

 tiden von Misaki, 1 ' 1913, pp. 253-254; pl. VI, fig. 4. 



Many specimens. Kurokami-Mura, Sakura Jima, Kagoshima Bay, 

 Kyüshü. Azuma coll. (Cat. no. 1122). 



Many specimens. Enoura, Suruga Bay, Honshu. Apr., 1884. 

 (Cat. no. 1823). 



One specimen. Joga Shima, Misaki. (Cat. no. 1826). 



Several specimens, reared in aquarium at Misaki. Ohshima. Jan., 

 191 1. (Cat. no. 1804). 



Several specimens. Katsuura, Chiba Prefecture. Ohshima coll. 

 Aug. 15-16, 191 3. (Cat. no. 1838). 



Color either pure white or light brown with fine pigments scattered 

 over body. Largest specimens do not exceed 50 mm. in length. Each 

 tentacle beset with 9 or 1 1 digits. Anchors 66-195/^ long, anchor- 

 plates 70-150 p. long. The terminal hole of anchor-plate usually 

 markedly larger than any of the others as was noticed by Becher, 

 and often divided into two or three small holes. In these and all 

 other characters the specimens answer well to descriptions of the 

 Atlantic form. 



3. Leptosynapta ooplax (v. Marenzeller). 



Synapta ooplax v. Marenzeller, Neue Holothurien von Japan und 

 China, 188 1, pp. 122-123; pl« IV, figs. 1, 1 A-D. — Britten, Holothurien 

 a. d. japan, u. ochotsk. Meere, 1907, pp. 150-152. 



Leptosynapta ooplax Clark, The Apodous Holothurians, 1907, pp. 

 24, 90-91. — Ohshima, Synaptiden von Misaki, 1913, pp. 254-255; pi. 

 VI, fig. 5. 



One specimen. Sakibaru, Napha (coral reef), Okinawa, Liu-Kiu 

 Islands. Mitsukuri coll. Apr. 7, 1901. (Cat. no. 1769). 



I) Zoological Magazine, vol. XXV, no. 295, 1913, pp. 253-262; pL VI. (Japanese, 

 with an abstract in German). 



