io8 
line (eastern part of tlie Baj- of Bengal to the Lesser 
Sunda Islands, and northward to the Macclesfield Bank) vicar ia^) 
h"' 40 arms ; radials and sides of the ossicles of the division series with a 
fine regfular granular ornamentation which never encroaches on the dorsal 
surface; median line of the ossicles of the division series and brachials 
occupied by a low and narrow, but very regular and very distinct, 
carination ; division series and arm bases without a median purple line 
(s o u t h e r n J a p a n t o F o r m o s a) subca^'inata 
a'" Outer cirrus segments as long as, or longer than, broad; dorsal spines minute 
or absent 
b' cirri with not more than 30 segments ; sides of the ossicles of the division 
series with prominent tubercles or numerous short blunt spines 
c' cirri about one fourth of the arm length; sides of the ossicles of 
the division series coarsely tubercular; a faint median line of pinkish 
in the jjroximal half of the arms; 26 arms (Molo Strait) . . tubercnlata 
c" cirri approximately half the arm length ; sides of the ossicles of 
the division series with irregular and closely crow^ded short blunt 
spines; dorsal pole of centrodorsal covered with small tubercles; 
a median line of dark purple on the division series and arms; 
1 5 arms (Timor) . . . tentdpes 
b" cirri with 40 segments, and nearly half as long as the arms; ornament- 
ation of the division series reduced to a slight and very inconspicuous 
roughening of the sides of the ossicles, the dorsal surface being entirely 
smooth ; beyond the second brachial the arms bear a narrow inter- 
rupted dark purple dorsal stripe which extends nearly their entire length ; 
about 30 arms (so u t h w es te r n Ja p a n) delicatissima 
1. Mai'iavietra vicar ia (Bell). 
Bell. Proc. Zool. Soc. London, 1894, p. 396 {Antcdon } variispina [sic]); p. 400 [Antedon 
vicar id). 
A. H. Clark. Crinoids of the Indian Ocean, 1912, p. 141, fig. 16 {Mariametra margaritifera); 
p. 142. 
Smithsonian Miscellaneous Collections vol. 61, 1913, N" 15, p. 30. 
Stat. 49a. 8°23'.5S., ii9°4'.6E. (Sapeh Strait). 69 Metres, i Ex. 
One much broken specimen with 28 arms appears to belong to this species. 
2. Mariametra titbcrciilata A. H. Clark. 
A. H. Cl.\KK. Ann. and Mag. Nat. Hist., series 8, vol. 10, 1912, p. 33. 
Stat. 51. Molo Strait. 69—91 Metres, i Ex. 
l) Synonym margarilifeia A. H. (U.iik. 
