630 COILECTIOlfS PEOM THE 'WIISTEEN IHDXilf OCEAS. 



tte presence in the peristome of fine aeerates ; the triradiates have 

 their arms straighter than those figured by Hackel for his species, 

 but their forms and dimensions are about the same in the two 

 species. 



56. Lenconia echinata. 



Leuoandra ecMnata, Sc}mffh,er,Jenaisoh.Zeitschr. xi. p. 411, pi. xxiv. 

 fig. 4. 



A compressed purse-shaped specimen, with the mouth-opening 

 lost. The outer termination of the aoerate is slightly enlarged just 

 before the point, forming a hastate apex, not noticed by SchufSier, 

 who only says that the spicule is "unequally pointed at the two ends." 

 The specimen measures 20 millim. in greatest diameter, whereas 

 Schuffiaer's did not exceed 10 miUim. 



Hah. Darros Island, Amirante group, 22 fms. 



Distribution. Mauritius {Schuffner). 



