PLATE LXXI. 



FIG. I. Leptasterias arctica (Murdoch) Verrill. Dorsal side;Xi^5- No. 



1428, Mus. Comp. Zool. 

 FIG. 2. L. arctica (Murdoch). Dorsal side; X i%- Same number. Both 



from Alaska. 



d44) 



