Plate 3 



Figure 1. Astei forma anomala, station 3231; actinal surface, reduced. 



l'. Asterias amurensis forma amurensis, Petropavlovsk, Kamchatka; portion of actinal sur- 

 face, alcoholic specimen. 

 Same Pel i"pa\ lo\ sk, Kamchatka. 

 I. Same, No. 7631, Norton Sound. Alaska. 

 5. Same, station 3242, actinal surface of Plate 2, Figure 1. 



ti. Same, station 3243, actinal surface of a medium-sized specimen showing arrangement of 

 plates; o, actinal rudimentary ; i, inferomarginal; in, intermarginal two series : 

 s, supermarginal. 

 258 



