The Crinüids from Dr. S. Bock's Expedition to Japan 1914. 169 



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

 cases; 10 mm. Breadth 5 mm. II Br-s 9 (3 + 4) 2 cases, 13 (3 + 4) 

 3 cases; 11 — 12 mm. The other ones broken. Ill Br-s 11 (3 + 4) 1 

 ease, 13 (3 + 4) 3 cases, 10 (3 + 4, the outer arm somewhat weaker) 

 1 case, 19 (3 + 4) 1 case, 26 (3 + 4, 22 + 23) 1 case; 13-25 mm. 

 IV Br-s 13 (3 + 4) 1 case, 17 (3 + 4) 2 cases; 12- 16 mm. The arms 

 partly broken, total L l20 mm. A complete radius with X arms. 

 Unbranched part of the arms 85 mm. 



Pj (to the right on I Br 2 in 3 cases) 17; 16 mm.; Pj (to the 

 right on I Br 3 in 2 cases) 15; 14 mm. Br-p. 14; 9 mm. 



Sp. 11 (St. 59) 4 nodal joints without cirri. Full number of 

 internodals in the 7"" internode. Interarticular pores to the 12"' in- 

 ternode. 



Cirri 48 (IX) 47 mm., 46 (XII) 50 mm.. 44 (XVI) 49 mm., 45 

 (XVIII) 49 mm., 41 (XXI) 42 mm. Cirri extending over 2V2— 3 inter- 

 nodes. 



B — s 1 X 1,5 mm., small, not contiguous. R — s 2x4 mm. I 

 Br-s 7 (1+2, 4 + 5) 4 cases; 12 mm. One radius broken. II Br-s 7 

 (3 + 4) 1 case, 11 (3 + 4) 2 cases; 9—13 mm. The other ones brok- 

 en. Ill Br-s 11 (3 + 4) 1 case, 13 (3 + 4) 2 cases, 20(3 + 4, 13+14 

 or 3 + 4, 15+16) 2 cases; 13—22 mm. IV Br-s 16 (3 + 4, 11 + 12) 

 1 case, 19 (1 + 2, 4 + 5, 15 + 16) 1 ease; 15—16 mm. Arms 155 mm. 

 (A complete radius with IX arms.) Unbranched part of the arms 100 

 mm.: 25 — ;^0 nmi. with rudimentary p — s. Syzygies with an interval 

 of 5 — 8 oblique articulations. 



Pj (to the right on I Br 2 in 4 eases) broken. Pj (to the left on 

 I Br 3) 24; 23 mm., P^ 27; 23 mm. Br-p. 15; 10 mm. 



Si). 12 (St. 59) 6 nodal joints without cirri. Full number of inter- 

 nodals in the 5"' internode. Interarticular pores to the 8"' internode. 

 Stem smooth, pentagonal, the joints proximally with a slight radial con- 

 cavity. The distal face of the nodal joint almost round. Cirri 38 — 39; 

 28—29 mm. 



B — s 1 X 1,2 mm., laterally contiguous. R — s 1 X 2,5 mm. I 

 Br-s 5 (1 + 2, 4 + 5) 1 case, 7 (1+2, 4 + 5) 4 cases; 8—11 mm. II 

 Br-s 9 (3 + 4) 5 cases, 11 (3 + 4) 4 cases; 11—13 mm. The 10*" 

 radius broken. Ill Br-s 11 (3 + 4) 2 cases, 13 (3 + 4) 7 cases, 15 

 (3 + 4) 2 cases, 16 (3 + 4) 1 case, 17 (3 + 4) 2 cases, 19 (3 + 4:2; 



Nova Acta Rog. Soc. Sc. Ups., Ser. 1, Vol. h. N:o 6. Impr. '/4 1922. 22 



