MONOGRAPH OF THE EXISTING CRINOIDS. 



79 



Fio. 45.— The anterior (o) and posterior (b) arms of a specimen of Comatula pectinata from the Phiuppise Islands; 



THE LATTER ARE VERT SHORT, LACK THE AMBULACRAL GROOVES, AND TERMINATE IN A PAIR OF PINNULES INSTEAD OF IN A 

 OROWINO TIP. 



