PLATE LXXI. 



Fig. I. Leptasterias arctica (Murdoch) Verrill. Dorsal side;XiH- No. 



1428, Mus. Comp. Zool. 

 Fia 2. L. arctica (Murdoch). Dorsal side; X 1%. Same number. Both 



from Alaska. , 



(144) 



