The Crinoids from Pr. S. Bock's Expedition to Japan 19 14-. !)1 



niin. (3 — 5 last segments with weak dorsal hooks, the other segments 

 L=1V2 — 2 br). 



Disk 22 mm. Mouth subcentral. Anal cone 5 mm. Colour: 

 dark chocolate violet. 



Sj). 2 (St. 27) Pi — Pii without ambulaeral furrow. For further 

 details see the table. 



>S)). 3 (St. 27) Pj — Pj,, without ambulaeral furi-ow. 



Sp. 4 (St. 27) P., 28: 22 mm. Pi— P4 or P, without ambulaeral 

 fui'row. Example of distribution of syzygies: 3 + 4, 9 + 10, IS + 19, 

 28 + 29, 36 + 37, 42 + 43. 48 + 49, 54+' 55, 59 + 60, 69 + 70, 77 + 78, 

 82 + 83, 99 + 100 . . 



Sj). 5 (St. 27) Pj — P5 or Pg without ambulaeral furrow. Disk 26 mm. 



Sp. 6 (St. 27) P3 33, 23 mm. Pj— P„ or Pjg without ambulaeral 

 furrow. Disk 25 mm. 



furrow 



Sp. 7 (St. 27) P3 38; 30 mm, Pj — Pg or Pu without ambulaeral 



Sp. 8 (St. 27) Diameter of Cd 12 mm. Some cirri with a slight 

 opposing spine. In the pharynx a couple of very large Myzostomas. 



Pj— P« without ambulaeral furrow. Disk 29 mm. 



Sp. 9 (St. 27) Pj — Pg( — Pu) without ambulaeral furrow. Disk 

 24 mm. 



The relative size of the proximal pinnules is very variable. Pj 

 is. however, always more slender because of the lack of a gonad. 



Tropimetra afra macrodisais differs according to k. H. Clark 

 from Tf. afra by the presence of longer and coarser cirri Avhich 

 have more cirrals. This difference is also to be found in those that 



