PLATE II. 



Page 



Figs. 1, 2. Pararchaster semisquamatds, n. sp. . . . 7 



Fig. 1. Abactinal aspect ; natural size. 

 Fig. 2. Actinal aspect ; natural size. 



[For magnified details of this species see PI. IV. figs. 7, 8.] 



Figs. 3, 4. Dytaster exilis, var. gracilis, nov. . . . 68 



Fig. 3. Abactinal aspect; magnified 1^ diameters. 

 Fig. 4. Actinal aspect ; magnified 1^ diameters. 



[For magnified details of this species see PI. IV. figs. 9, 10.] 



