694 



THE VOYAGE OF H.M.S. CHALLENGES. 



The above table comprises 109 species and varieties found in the Abyssal Zone, 

 the Continental Zone, and 9 into the Littoral Zone. 



Of these, 3 pass into 



Zone unknown. 



The depth at 'which the following species collected by the Challenger were dredged is not recorded, 

 marked with an asterisk have been found previously in the Littoral Zone. 



Those 



Pontaster venustus, var. robusta. 



Pseudarch aster tessellatus. 



Psilaster cassiope. 



Psilaster patagiatus. 

 *Luidia africana. 

 * Pentagonaster scmihmatus. 

 * Pentagonaster astrologorum. 



Nymphaster albidus. 

 *Pentaceros dorsatus. 

 *Asterina folium. 

 *LincIda guildingii. 



* Narcissia canariensis. 

 Narcissia trigonaria. 



* Asterias (Sfolasterias) glacialis. 



