line eastern pan ol the Bay of Bengal t<> the Lesser 



Sunda Islands, and northward i<> the Macclesfield Bank) vicaria ') 



b' 40 arms; radials and sides of the ossicles of the division series with a 



fine reeular eranular ornamentation which never encroaches on the dorsal 



surface; median line of the ossicles of the division series and brachials 



ipied by a low and narrow, but very regular and very distinct, 



nation; division series and arm bases without a median purple line 



uthern Japan toFormosa) mbcannata 



tuter cirrus segments as long as, or longer than, broad-. dorsal spines minute 

 or absent 



1 irri with not more than 30 segments; sides of the ossicles of the division 

 series with prominent tubercles or numerous short blunt spines 



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 proximal half of the arms; 26 arms (Mol o Strait) . . tuberculata 

 c 2 cirri approximately half the arm length ; sides of the ossicles of 

 the division series with irregular and closely crowded short blunt 

 spines; dorsal pole of centrodorsal covered with small tubercles; 

 a median line of dark purple on the division series and arms; 



[5 arms (Ti mor) tenuipes 



b a 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 (south western Japan) delicatissima 



1. Mariametra vicaria (Bell). 



BELL. Proc. Zool. Soc. London, 1S94, p. 396 (Antillen ? variispina [sic]); p. 400 {Antedon 



vicaria . 

 ,\. II. CLARK. Crinoids of the Indian Ocean, 1912, p. 141, fig. [6 (Mariametra margaritifera); 



p. 142. 

 Smithsonian Miscellaneous Collections vol. 61, 1 9 1 5 . N° 15, p. 30. 



Stat. 4 ;.j S, ri9°4'.6E. (Sapeh Strait). 69 Metres. 1 Ex. 



< Ine much broken specimen with 28 arms appears to belong to this species 



2. Mariametra tuberculata \. II. < lark. 



A. II. Clark. Ann. and Mag. Nat. Hisl vol. 10, 1912, p. 33. 



Stat. 51. Molo Strait. 69 91 Metres. 1 Ex. 



i : 



