The Crinoids from Dr. S. Bock's Expedition to Japan 1914. 185 



of 3 oblique articulations. The segments are smooth, rather short, never 

 much longer than broad. 



Pi 11; 3 mm. Pj and P3 broken. P, 9; 2.5 mm. P,, 10, of 

 about the same length or a little longer. P^ 13; 5 mm. much larger 

 and coarser than P^ and Pg. like these p — s rather smooth. I*^ with 



Pri and the followino- ones about 3 mm. Distal 



a small genital gland, 

 p. 15 — 17; 4,5 — 5,5 mm. 



Disk somewhat swollen with a smooth, ungranulated skin, 

 pentagonal, 5 mm. Colour: like the specimens of the Siboga Expedi- 

 tion with close, small spots of violet-brown on white ground, the soft 

 parts olive-brown (specimens in spirits). 



S2). 2 (St. 41) C. XLIX 12-14; 4—9 mm. Arms X, broken. 



P^ 10; 3 mm. For the rest as the preceding specimen. 



Sp. S (St. 41) C. about L 10—12; 4—8 mm. Arms X, 35 mm. 

 Syzygies as before. Pj 8; 3 mm. Pg 6 — 8; 2,7 mm. P, 15; 6 mm. P^ 

 12; 3,7 mm. Distal p. ;j_ 16; 5 mm. 



Disk 5 mm. Somewhat smaller spots, appearing only at the 

 articulations, by which the specimen seems to be lighter. 



Differs from D. nana only by greater number of cirri and by 

 the Br — s 1, which are basally united inside. 



Dorometra briseis A. II. Ci..\r(K. 



Fig. 120—122. 



Syn.: Antcclon briseis 1907 A. H. Cl.\ek Proc. U. S. Nat. Mus. Vol. 33, p. 83. 

 Iridomefra hriscis 1908 A. H. Clark Wash. Proc Biol. Soc. Vol. 21, p. 131; 

 1912 Crin Ind. Oc, p. 231; 1915 Wash. Journ. Aca.l. Sei. Vol. 5, p. 215. 

 Dorometra briseis 1918 A. H. Cl.\rk Siboga Exp. Vol. 42 B, p. 216. 



From St. 35 (1), 37 (2) = 3 specimens. 



Sp. 1 (St. 37) C. XLVII 10—17; 3-11 mm. P* segment L = br, 

 2"^ one L = 2 br, 3^' — 5"' segments the longest, L = 3— 3 1/2 br. The 

 segments somewhat hour-glas.s-shaped, specially widened distally. 



R — s indistinctly visible in the corners. I Br 1 h = ^/6 br, partly 

 concealed at the middle by the tongue-like prominence from the axil- 

 lary, laterally free and provided with a small tubercle. I Br 2 about 

 rhombic, h = ^ 3 br, with concave distal margins and a backward directed 



/^^ 





