The Crinoids from Dr. S. Bock's Expedition to Japan 1014. lö!) 



Cirri 52 (IX) ôij mm., 40 (XI) 50 mm., 47 (X\'j 50 mm. E.xtend- 

 ing over 2' 2 — 3 internodes. 



B— s 3X6 mm. R— s 1,3 X O mm. I Br-s 7 (1 + 2. 4 + 5) 2 

 cases, 8(1+2. 4 + 5. 7 + S or 1+2. 3+4. 6 + 7) 2 cases. 10 (1 + 2, 

 3 + 4^ 6 + 7. 0+ 10» I case; 21—25 mm. II Br-s 7(3 + 4) 4 cases, 

 8 (3 + 4 or 2 + 3. 7 + 8) 2 cases. (3 + 4)3 cases, 10 (1 + 2. 6 + 7) 

 1 case: 12-17 mm. Ill Br-s 11 (3 + 4) 1 case, 12(3 + 4, 7 + 8) 1 

 case, 13(3 + 4) 8 cases, 14(3 + 4. 8 + 0) 1 case, 15(3 + 4) 3 cases, 

 16 (3 + 4, 12 + 13 or 3 + 4. 13 + 14) 2 cases, 17 (3 + 4) 4 cases; 

 17-26 mm. IV Br-s 15 (3 + 4) 2 cases. 16 (3 + 4, 14+ 15) 1 case, 17 

 (3 + 4:4 cases. 5 + 6:1 case. 10+11:1 case) 6 cases, 19 (3 + 4) 1 case, 

 20 (3 + 4, 6 + 7) 1 case. 21.(3 + 4. 15 + 16, 20 + 21) 1 case, 23 (3 + 4) 

 1 case, 24 (3 + 4, 8 + 0' or 3 + 4, 16 + 17) 2 cases, 26 (3 + 4, 6 + 7) 

 1 case; 20 — 29 mm. Arms L\l, total L 205 mm.. Free undivided part 

 of the arm 05 — 140 mm. 35 — 40 mm. of the distal parts of the arms 

 M'ith rudimentary p-s. The number of pinnulars in the transition reg- 

 ion is 14. 13, 15, 12, 9, 10, 10, 7, 4. 4, 3, 3, . . . 



Pj (to the right on I Br 2 in 5 cases) 23; P^ 24. Disk stoutly 

 granulated. The arms light-brown, darker in the pro-vimal parts (the 

 transition usually at II or III Br 3 + 4). Syzygial pairs white. 



Sp. 7 (St. 10) 30 internodes, 360 mm. 6 nodal joints without 

 cirri. Full number of internodals in the 6''' or 7"' internode. Inter- 

 nodal joints: 9:2 cases, 10:14 cases, 11:0 cases (in 2 of the cases 

 an internodal joint visible only on one side of the stem). Length of 

 the internodes 11,5—14 mm. Interarticular pores to the 11"' internode. 

 Diameter of the stem 5,5—6,5 mm. The stem with somewhat stouter 

 I'idges than in the preceding specimens (similar to the distal part of 

 the stem i Sp. 2). 



Cirri 48 (XI) 51 mm., 54 (XIV), 56 mm., 40 (XIX) 46 mm., 37 (XX) 

 42 mm., 47 (XX) 52 nun.. 33 (XXI) 38 mm., 44 (X-XIl) 46 mm., 47 (XXII) 

 51 mm., 43 (XXIII), 46 (XXIV) 50 mm. Extending over 23/4— 3V4 inter- 

 nodes. The thickness of the cirrus 1,5 — 1,8 mn]. 



B -s 2';2 X 5 mm. R— s 1 or 2 X 5 or 7 mm. I Br-s '' 4 (1 + 2), 

 -' 5 (4 + 5). ''^ *• ='5(1+2. 4 + 5). '" 12 (9 + 10 or perhaps 13:1 + 2. 

 10 + ,11 the two first ossicles in this case almost completely grown 



' 8 + 9 almost grown together. 



