bo 
PLATE LXIX. 
Page 
Figs. 1-4. RHIPIDASTER VANNIPES, 2. sp. ° : ; 448 
. Abactinal surface ; natural size. 
. Actinal surface; natural size. 
. A portion of the abactinal surface; magnified 12 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
8 diameters. 
Figs. 5-7. OPHIDIASTER HELICOSTICHUS, 0. sp... ‘ . 405 
. Abactinal aspect ; natural size. 
. A portion of the abactinal surface ; magnified 12 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
15 diameters. 
