PLATE LXXV. 



Page 



Figs. 1-4. Retaster peregrinator, n. sp. . . 479 



Fig. 1. Abactinal aspect; natural size. 



Fig. 2. Actinal aspect ; natural size. 



Fig. 3. A portion of the supradorsal membrane; magnified 10 diameters. 



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

 5 diameters. 



Figs. 5, 6. Pteraster semireticulatus, n. sp. . . 475 



Fig. 5. Abactinal aspect; magnified 3 diameters. 

 Fig. 6. Actinal aspect ; magnified 3 diameters. 



[For magnified details of this species see PI. LXXVII. figs. 5, 6.] 



