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

 Example of arm-division and distribution of syzygies 



1914. 1(31 



from S p. 2: 



<M 



'X) 



hî^l 





11 1+2 



II 1+2 .. 7 



RI 1+2 3 4+5 7 



Nova Acta Reg. Soc. Sc. Ups., Ser. 4. Vol. 5. N:o 6. Iiiij)r. "-4 192'2. 



21 



