104 



THREE CRUISES OF THE "BLAKE. 



ginal plates, its ventral plates allying it to the Asterinse, finds 

 its place between it and the Astropectinidae. 



Fig. 380. Ctenaster spectabilis. |. (Perrier.) 



In regard to the geographical distribution of starfishes, it was 

 interesting to find in the deep waters of the Caribbean district 

 the Northern Atlantic genera Cribrella, Solaster, Pedicellaster, 

 and Brisinga. 



Fig. 381. Radiaster elegans. |. (Perrier.) 



