PLATE CXVII. 



Page 

 Figs. 1-3. Freyella tuberculata, n. sp. . . . 638 



Fig. 1. Abactinal aspect; magnified 1^ diameters. 



Fig. 2. Actinal aspect ; magnified 1^ diameters. 



Fig. 3. A portion of the abactinal surface of an ovarial region: magnified 12 



diameters. 



Figs. 4-7. COLPASTER SCDTIGERULA, n. sp. 648 



Fig. 4. Abactinal aspect of a portion of a ray and the disk ; magnified 1^ diameters. 

 Fig. 5. Actinal aspect of a portion of a ray and the disk ; magnified 2 diameters. 

 Fig. 6. A portion of the abactiual surface of the disk ; magnified 20 diameters. 

 Fig. 7. Ad ambulacral plates ; magnified 10 diameters. 



