406 BULLETIN 76, UNITED STATES NATIONAL MUSEUM. 



Plate 119. 



Fig. 1. Nearchaster variabilis; abactinal purface of a Bpecimen having the maximum number of papulse. 

 2. Luidiaster dawsoni; abactinal view of a young specimen, enlarged. 



Plate 120. Luidiaster dawsoni. 



Fig. 1. An abactinal view of a medium-sized specimen, from station 4792, enlarged. 

 2. Actinal surface of same specimen, enlarged. 



Plate 121. 



Fig. 1. HippMteria spinosa iurilensis; type, actinal surface. 

 2. Uippasteria leiopella armata; type, actinal surface. 



Plate 122. Hippasteria leiopella armata. 



Fig. I. Abactinal surface of small example. 

 2. Abactinal surface of type. 



