PLATE CVI. 



Figs, i, 2. Evasterias troschelii (Stimpson) Verrill. Young. Dorsal and 



actinal sides ; X iH. Sitka. Yale Mus. 

 Fig. 3. Asterias acervata Stimpson. A strongly acervate young specimen ; 



X iH. Nazan, Alaska (Dall). U. S. Nat. Mus. 



(214) 



