The Crinoids from Dr. S. Bock's Expedition to Japan 19 14-. 150 



Cirri 52 (IX) -j;} nun.. 40 (Xi) oO mm.. 47 (X\'| oO mm. K.vtend- 

 iiig over 2' 2 — 3 internodes. 



B— s :5 X G mm. W — s I..; X (i nun. 1 Br-s 7 (1 + 2, 4 + 5) 2 

 cases. S ( I + 2. 4 + ."). 7 + S ov 1 + 2. :i + 4-. (i + 7) 2 cases. 10 (1 + 2. 

 3 + 4-. <) + 7. !»+l()| 1 case: 21—2.") nun. II Br-s 7(3 + 4) 4 cases, 

 S (3 + 4 or 2 + 3. 7 + 8) 2 cases. 9 (3 + 4) 3 cases. 10 (1 + 2. G + 7) 

 I case: 12 17 mm. ill Br-s 11(3 + 4) I case, 12(3+4.7 + 8) 1 

 case. 13(3+4) 8 cases. 14(3 + 4. 8 + !)) 1 case. ir)(3 + 4) 3 cases, 

 l()(3 + 4, 12 + 13 or 3 + 4. 13+14) 2 cases. 17(3 + 4) 4 cases: 

 17—20 mm. l\ Br-s i:> (3 + 4| 2 cases. Ki (3 + 4. 14+ 15) 1 case, 17 

 (3+4:4 cases. 5 + 6:1 case, 10 + 1 1 : 1 case) G cases, lit (3 + 4) 1 case. 

 20 (3 + 4. G + 71 1 case. 21 (3 + 4. 15 + 16, 20 + 21) 1 case, 23 (3 + 4) 

 1 case, 24 (3 + 4. s + «)' w 3 + 4. IG + 17) 2 cases, 26 (3 + 4, G + 7) 

 1 case: 20 — 29 mm. Arms LM. total L 205 mm.. Free undivided part 

 of tlie ai-m 95 — 140 nnn. 35 — 40 mm. of the distal parts of the arms 

 with 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,... 



Pi (to the right on 1 Br 2 in 5 cases) 23; P2 24. Disk stoutly 

 granulated. The arms light-brown, darker in the proximal 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, 11:9 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. Interariieular pores to the 1 B'' internode. 

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

 ridges than in the preceding specimens (similar to the distal part of 

 the stem i Sp. 2), 



Tirri 48 (XI) 51 mm., 54 (XI\'), 5G nun., 40 (XIX) 40 nnn., 37 (XX) 

 42 mm.. 47 (XX) 52 mm.. 33 (XXI) 38 mm., 44 (XXII) 46 mm., 47 (X'XII) 

 51 mm.. 43 (XXIII). 46 (XXIV) 50 mm. Extending over 23;4— 3' 4 inter- 

 nodes. The thickness of the cii'rus 1,5 — 1,8 mm. 



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

 "» 5 (4 + 5). ■• '■ ^' 5(1+2. 4 + 5). "' 12(9+ 10 or perhaps 13:1+2, 

 10 + , II the two tirsf ossicles in this case almost completely gi'own 



' 8 + 9 almost grown togetlier. 



