PLATE LXIX. 



Page 



Figs. 1-4. Rhipidaster vannipes, n. sp. ... 448 



Fi°f. 1. Abactinal surface; natural size. 



Fig. 2. Actinal surface ; natural size. 



Fig. 3. A portion of the abactinal surface ; magnified 12 diameters. 



Fig. 4. Adambulacral plates and adjacent portion of the actiual surface ; magnified 

 8 diameters. 



Figs. 5-7. Ophidiaster helicostichus, n. sp. . . . 405 



Fig. 5. Abactinal aspect ; natural size. 



Fig. 6. A portion of the abactinal surface ; magnified 12 diameters. 



Fig. 7. Adambulacral plates and adjacent portion of the actinal surface ; magnified 

 15 diameters. 



