PLATE XXV. 



FIG. i. Evasterias troschelii. Type of Stimpson. Part of a ray, dorsal side ; 



about 9/10 natural size. 



FIG. 2. The same specimen. Ventral side. U. S. Nat. Mus. 

 FIGS. 3,4. Ctenasterias cribraria (Stimpson). Type of Stimpson. Dorsal and 



ventral sides ; about 9/10 natural size. 

 FIGS. 5, 6. Leptasterias aqualis (Stimpson). Type of Stimpson. Ventral side; 



about 9/10 natural size. U. S. Nat. Mus. 

 FIGS. 7, 8. Leptasterias hexactis (Stimpson). Type of Stimpson. Ventral 



side ; about 9/10 natural size. U. S. Nat. Mus. 



