144 



'1\ G 



TSLKN. 



Sj>. S (St. 43) R— s narrow bands. I !!r-s I latrrally free. The 

 synarthrial lubercle indistinct. P,, 9; 3 nnn. 



S2). 4 (St. 48j R— s well visible, h = 'h br. No synarthrial tnb- 

 crcle. Broken arms. 



■ Sp. 5 (St. 43) R— s as in Sp. 4. P,, 7: 2,? nun. 



Sj-). ß (St. 43) P,, f); 4,2 mm. 



»S'p. 7 (St. 43) P|, S; 3,3 mm. Disk : longest diameter 3,:., short- 

 est one 2 mm. 



Sp. 16 (St. 53) Opposing spine h = ^/s of the br of the segment. 

 P), 8; 3 mm. Disk 3 mm,, not so distinctly incised. Anal cone '2 mm. 



Sp. 17 (St. 53) Disk 2,:, mm. 



Bathymetrinae A. H. Clark. 



Thaumatometra A. H. Clark. 



Th. comaster A. H. Clark. 



Pig. 153—150. 



Syn: Thaumatometra comaster 1908 A. H. Clark Proc. U. S. Nat. Mus. Vol. 

 34, p. 232; 1912 Crin. Ind. Oc. p. 246: 1915 Wasli. Joiirn. Acad. Sei. Vol. 5 p. 

 215; 1918 Siboga Exp. Vol. 42 B, p. 256. 



Frotii St. 37 (and 4) = 2 specimens. 



Sp. 1 (St. 37) Cd very low and flattened, conical, br = 2 mm., 

 li about 0,6 mm. The free, dorsal surface l,i mm. C. + XXXV 12 — 15; 

 7—8 nun. in a double whorl (P' segment short, 2'^ cubical, 3'' L = 



