The Crinoids from Dr. S. Bock's Expedition to Japan 1914. 41 



Comantheria grandicalyx var. flagellipinna n. var. 



Fio-. :{2. 

 From St. 51 (1 sp.), 62 (1) = 2 specimens. 



^2). 1 (St. 51) Cd 12 mm., free dorsal surface 9 mm., h = 3 mm. 



C. LI, 2S— :^3; 27—85 mm. in 2 or 3 whorls. P* segment L = V/2 X br 

 2"'— 11"' cubical, a little thicker at the ends, 12"'— 14"' somewhat longer 

 than broad. About the 20"' segment a transition-segment. Dorsal 

 spine weak, but rather distinct. The spines on the distal cirrals poin- 

 ted. Terminal claw curved, L= H 2 X the penultimate segment. 



I Brax h = ^2 br, distally protracted at an acute angle. II Br 1 

 inside almost completely free. II Br — s : 4, III Br — s 2 (20 cases) 

 IV Br — s 4 (24 cases). Arms LXH' 140—190 mm., dimorphous. Example 

 of armdi\ision: 



I 1-2 ) 



II 1—2 3 + 4 



II 1—2 3 + 4 



III 1-2 



III 1-2 



III 1—2 



111 1-2 



IV 1—2 3 + 4. 



Br 1—2 3 + 4. 



Br 1-2 3 + 4. 



IV 1—2 3 + 4 . 



IV 1—2 3 = 4. 



Br 1-2 3 + 4. 



Br 1 — 2 3 + 4. 



IV 1—2 3 + 4. 



Br 1—2 3+4, 

 Br 1—2 3 + 4 , 



Br 1—2 3 + 4, 

 Br 1-2 3 + 4, 

 Br 1—2 3 + 4; 

 Br 1—2 3 + 4 



Br 1—2 3 + 4 

 Br 1—2 3 + 4 



2'^ syzygy at the 22"— 24"' segment, 3" at 28"' or 30* segment 

 then with an interval of 4 (to 5) oblique articulations. 19 — 23 seg- 

 ments pr cm. (15 — 17, if the syzygial pairs are counted as units). 



Nova Acta Reg. Soc. Sc. Ups., Ser. 4, Vol. 5. N:o 6. Impr. 'Va 1922. 6 



