PLATE LXXVI. 



Page 



Figs. 1, 2. Ret aster verrucosus, n. sp 478 



Fig. 1. Abactinal aspect ; natural size. 

 Fig. 2. Actinal aspect ; natural size. 



[For magnified details of this species see PL LXXVII. figs. 9, 10.] 



Figs. 3, 4. Retaster insignis, n. sp. . . . . 482 



Fig. 3. Abactinal aspect ; natural size. 

 Fig. 4. Actinal aspect ; natural size. 



[For magnified details of this species see PI. LXXVII. figs. 11, 12.] 



