REPOSE ON THE ASTEROIDEA. 



617 



ella echinata, midway between the Pelew Islands and New Guinea, 

 and extending into the Eastern Archipelago. "'Freyella dimorpha, 

 off Torres Strait, Pacific side. ^Freyclla remex, in the Coral Sea, 

 south-east of New Guinea. ''-Freyclla polycnema, north-east of the 

 Kermadec Islands. *Freyella benthophila, in the Mid-South Pacific, 

 near the meridian of 130° W. 

 /3. Bathymetrical range : 175 to 2900 fathoms. 



Greatest range of one species : Freyclla elegans, 606 to 2021 fathoms {fide 

 Verrill). 



With the exception of Freyclla americana, which occurs in the Continental 

 zone, all the other species are confined to the Abyssal zone. The following eight 

 species live in depths greater than 2000 fathoms : Freyclla attenuata, Frey- 

 clla benthophila, Freyclla echinata, Freyella elegans {fide Verrill), Freyclla 

 heroina, Freyella remex, Freyella sexradiata {fide Perrier), and Freyclla tuber- 

 culata. 



y. Nature of the Sea-bottom : Freyella benthophila, Freyella heroina, and Freyella 

 remex, occur on Eed clay ; Freyella bracteata, Freyella echinata, and Freyclla 

 pennata, on Blue mud ; Freyella echinata is also found on Globigerina ooze ; 

 Freyella dimorpha, Freyella fragilissima, and Freyella tuber culata on Globige- 

 rina ooze, Freyella fragilissima is also found on Diatom ooze ; Freyclla attenuata 

 on Puidiolarian ooze. Freyella polycnema inhabits hard ground. 



The species collected by the Challenger Expedition are indicated in the foregoing list 

 by an asterisk. 



Chorological Synopsis of the Species. 



(ZOOL. CHALL. EXP. — PART LI. — 1SS8.) 



