ASTEROIDEA 



113 



The variety septentrional is 81aden is distinguished by having 

 smaller and more numerous, closely crowded paxillae, with ca. 



1 2 3 



Fig. 66. — Part of dorsal skeleton of Solaster papposus (1), >S'. squamatus (2), 

 and S. abyssicola (S). 1, x 4; 2, x 6 ; 3, probably similar enlarge- 

 ment (not stated by author). (2. After Th. Mortensen, Echinod. East 

 Greenl. 3. After Grieg, jEc/imor/. " Michael Sars'\ 1910.) 



10-20 spinelets (in the typical form the paxillae have up to ca. 40 

 spinelets). The papulae are fewer, 1-3 in a group (5-10 or more 



Fig. 67. — Solaster (Crossaster) papposus, dorsal side. Young specimen. 

 Nat. size. (From Danmark''s Fauna.) 



in the typical form). The interradial areas are covered with 

 small, rather crowded paxillse (in the typical form with only 1-2 



