MONOGRAPH OF THE EXISTING CRINOIDS. 



311 



603 



FIGS. 603609. TERMINAL COMBS OF VARIOUS COMASTEKIDS. 603. NEMASTEK IOWENSIS, INTERNAL VIEW. 

 604. SAME, EXTERNAL VIEW. 605. NEMASTER DISCOIDBA, EXTERNAL VIEW. 606. SAME. INTERNAL VIEW. 

 607. NEMASTEB SUBIGINOSA, INTERNAL VIEW. 608. SAME, EXTERNAL VIEW. 609. SAME, VENTRAL VIEW. 



142140 21 Bull. S2 22 



