The Crinoids from Dr. S. Bock's Kxpepitiox to Japax I!»14. !•! 



mm. (3 — 5 last segments witli \\eak dorsal liooks. tlu- other segments 

 L = li2 — 2 br). 



Disk 22 nun. .Mmilli sulH-ciiti'al. Anal cone 5 mm. Colour: 

 dark chocolate \iolft. 



Sj). -J |St. 27) 1*1 — I'll without ambulacra! furrow. For further 

 details see tiie table. 



Sj). 3 (St. 27) P, — 1\„ \\ithout anil)ulacial furrow. 



Sp. 4 (St. 27) P3 28; 22 nnn. P,— P4 or P, without ambulacral 

 furrow. Example of distribution of syzygies: 3 + 4, 9 + 10, 18 + 19, 

 28 + 29, 3(5 + 37, 42 + 43. 48 + 41). 54 + 5:). 59 + 60, 69 + 70, 77+78, 

 82 + 83, 99^ 100.. 



Sp. 5 (St. 27) Pj — Pr, or P., without ambulacral furrow. Disk 2(1 mm. 



Sp. 6 (St. 27) P, 33. 23 nun. Pj — Pn or Pi,, without aml)ulacral 

 finiow. Disk 25 mm. 



Sp. 7 \'>\. 27) P., 3S: :]tl uini. P,- P., or P,, without ambulacral 



flUTOW. 



Sji. S (St. 27 1 Diameter of (W 12 mm. Some cirri with a slight 

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

 P( — P^ without ambulacral furrow. Disk 29 mm. 



Sp. 9 (St. 27) P,— P„(— 1',,) without ambulacral furrow. Disk 

 24 mm. 



Tho rclatixe size of the pro.\imaI pinnules is \ev\ \ariable. P, 

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



Trojnmetra afra macrodiscus differs according to A. H. Clark 

 from '/'/•. afra by the presence of longer and coarser cirri which 

 ha\i" moi-c cirrals. Tiiis difference is also to be foimd in those that 



