A. H. CLARK: THE CKINOIDS OF THE INDIAN OCEAN. I7l 



Localities. — Pedro Shoal (north of the Laccadives). — One large specimen, 

 with cirri XVI, 21-23. 



Off northeastern Ceylon (6° 01' N. lat., 81° 16' E. long.); 34 fathoms.— Seven 

 medium-sized and small specimens. 



Off Pari (Rocky Bank) ; 10 fathoms. — Three specimens. 



Onefnile east of the Terribles ; 13 fathoms. — Five specimens. 



Fig. 28. — Oligometra seyripinna. 

 Lateral view of a typical specimen. 



Tivo and one half miles southeast of Santapillay light-house; 7-S fathoms. 

 — Three specimens; one of these has the processes on the lower pinnules more 

 pronounced than usual, and the synarthrial tubercles prominent. 



Off the Ganjam Coast (Madras Presidency) ; 15-25 /a/^om.s.— Eight speci- 

 mens ; one of these is peculiar in having P, similar to. and nearly as large as, P.j, 

 which last is somewhat smaller than usual. 



