The Crinoids from Dr. S. Bock's Expedition to Japan 1914. 45 



mentary teeili, still shorter, P3 6,5 mm. without a comb. Genital p. 

 11 — 12 mm. Distal p of about equal length. On all pinnules 2"' — 5"' 

 or 7*'' segments with small prominences. 



Disk 80 mm., without granules. Mouth admarginal. Anal fun- 

 nel subeentral, 7 mm. 



Sj). 2. (St. 38 A), tkl 10 mm. dorsal jiole a little concave, 0,5 mm. 

 C. LXV 22-24; 12—25 mm. 



I Br 1 h = 1 10 X br. I Brax h = ' 2 br. II, III and IV Br— s : 4 

 (the last-mentioned division-series appearing in 2 cases). Arms XLII 

 .125 — 155 mm. 



Disk 32 mm. Anal funnel 8 mm. Colour as in the preceding 

 specimen violet-brown. Cirri and regenerated parts somewhat lighter. — 

 A splendid specimen. 



Sj). 3 (St. 28) Cd 10 mm., free dorsal pole 7 mm. C. LV 20-26; 

 12-22 mm. 



I Br 1 slightly visible. Axillary almost triangular h = ^/s X br. 

 II and III Br — s : 4. Arms XL 105 — 125 mm. Sutures between the 

 distichal and palmar segments slightly visible, division-series not quite 

 so smooth as in Sp. 1. 



Pii + 5o (10— 12 T) 24—25 mm. T indistinct, h about Vs of the 

 br of the segment. Pm to Pg shorter; also P^ with a small comb. 

 Genital p. 10 mm. Distal p. 11 — 12 nuu. — Disk 32 mm. Anal fun- 

 nel mm. 



Sp. 4 (St. 20) Cd 10 nmi., dorsal pole S nun. C. + LX 20—24, 

 14 — 23 mm. in 2 whorls. A great many empty joint-cavities. 



II and III Br— s:4. Arms XL 105 — 120 mm. Division series 

 and arms as in Sp. 1, 



Pii + 50; 28 mm. P,„ with ti — 8 very low T.; 5 to top-seg- 

 ments smooth; +20 mm.. Pj — P, decreasing (P., + 10 mm.. P^ 7 mm. 

 without a comb.) Distal, p. !» mm. — Disk 28 mm. Anal funnel 

 mm. 



nule «/1. 31) The tip nf Pu";!; 3'2 Comnntheria (jyrindicnlyx flagellipimm (St. 54) 32) The tip of Pu »i; 

 33, 34 Comnnthjis solnster 33) The tip of Pu '■', i, 34 a) Dwarf cirrus b) Cirrus of the larger type "/i; 

 35, 3ti Coninntlms pi^iijuis (St. Ô8) 3.5l Distal pinnule (observe the dimpled perisome; common to all 

 larger comasterids) b) The tip of the pinnule in lateral view to show the slight do'rsal hooks (observe 

 stout cirri) ' i. RG) The tip of Pu "i; 37—40 Comnnthun annnlata (St. 42) 37) The tip of Pn. x 17 7«, 

 38J The tip of Pv viewed from the inside, showing slight teeth-like swellings which constitute ridges 

 supporting the teeth on the outside of the pinnule, X 17 '/2, 39) The same pinnule viewed from the out- 

 side with 7 stout teeth, X 17 '/2, 40) Distal pinnule with stout dorsal hooks (observe small cirri) ", i. 



