bo 
PLATE CXVII. 
Page 
Figs. 1-3. FREYELLA TUBERCULATA, 0. sp. . . - 638 
Abactinal aspect ; magnified 14 diameters. 
. Actinal aspect ; magnified 14 diameters. 
A portion of the abactinal surface of an ovarial region; magnified 12 
diameters. 
Figs. 4~7. CoLPASTER SCUTIGERULA, 0. sp. ; ‘ . 648 
Abactinal aspect of a portion of a ray and the disk ; magnified 14 diameters, 
. Actinal aspect of a portion of a ray and the disk; magnified 2 diameters, 
. A portion of the abactinal surface of the disk ; magnified 20 diameters. 
Adambulacral plates ; magnified 10 diameters. 
