Boone, Echinodermata; Cruises of "Eagle" and " Ara," 1921-28 155 



References: Sporadipus (Acolpos) macidatus Brandt, Prodroni. 

 descrip. Anim., etc., Fasc. I, p. 35, 1835. — Lampert, Die See- 

 walzen, p. 73, 1885. 



Holothuria arenicola Semper, C, Reisen in Archipel. der Philippen, 

 Bd. 1, Holothurien, p. 81, pi. XX, pi. XXX, fig. 13, pi. XXXV, 

 fig. 4m, 1867.— Theel, Rept. Voy. "Challenger" Zool. Holothuri- 

 odea, XIV, p. 222, 1886.— Fisher, W. K., Proc. U. S. Nat. Mus., 

 vol. XXXII, p. 662, 1907. 



Holothuria impatiens (Forskal). 



Plate 99 and text figure 7. 



Type : Forskal stated that his type came from the shores of the Suez 

 Canal, where it was found under stones and certain sponges. The 

 depository of his type is not given. 



Distribution : This species is widely spread in the Indo-Pacific. It 

 has been recorded by Fisher from the Hawaiian Islands; by Clark 



Text fig. 7. — Holothuria impatiens (Forskal). A. Turriform tables. B. Elongate, 

 perforate tables. C. Perforate, elongate bars. D. Curved bars with roughened 



tips, X 260 (after Koehler). 



from the Paumotu Islands and by the " Siboga" Expedition from 24 

 different stations in the Far East. It was also reported by H. L. Clark 

 from a single specimen without specific locality taken by the 



