Boo7ie, Echinodermata, Cruises of "Ara" and "Alva" 179 



185, 233 (with extensive synonymy and distribution). — 

 Lampert, K., Die Seewalzen, 1885, p. 65. — Sluiter, C. Ph., 

 "Siboga"-Expeditie, Holothurien, Monogr. XLIV, Livr. I, 

 1901, p. 9.— Fisher, W. K., Proc. U. S. Nat. Mus., vol. XXXII, 

 1907, p. 666, pi. 69, figs. 4-a-d.— Clark, H. L., Publ., 214 Car- 

 negie Inst., Washington, 1921, p. 178, pi. 19, figs. 3 and 5 

 (colour). 



Holothuria arenicola Semper 



i 



Type: Semper's type material came from Bohol, Philippine 

 Islands. In his original description he also reported occurrence 

 of the species at Amboina (von Martens, Rosenburg) , Fiji Islands 

 (Graffe) and Surinam (Salmin), Semper's type series is prob- 

 ably deposited in the Hamburg Museum. 



a 



Text figure 10. — Holothuria arenicola Semper: a table, from above, 

 showing crown of spire and table in profile; b, two predominant forms of 

 buttons; c, a typical supporting rod, from a dorsal pedicel; all gi-eatly en- 

 larged. 



