698 THE VOYAGE OF H.M.S. CHALLENGER. 
IV. “TRITON” EXPEDITION. 
(1.) LirroraL Zone. 
Species found in depths which extend from the Shore to 150 fathoms. 
(2.) CoNTINENTAL ZONE. 
Species found in depths between 150 fathoms and 500 fathoms. 
Depa Occurrence in other Zones. 
ASTROPECTINIDA. 
Luipun2. 
LInuidia ciliaris . . ‘ ; . ; 4 Sic i ey eee eee 
ANTHENEIDE. 
Hippasteria plana. 0 0 : - : Bi il hao 0 gsarees 
Pepthiia Occurrence in other Zones. 
GYMNASTERUDA. 
Rhegaster murrayi . . A : : 5 AGS tly UA Naess 
LE’CHINASTERID. 
EcuINASTERINE. 
Cribrella oculata . , é : a 240 | Also Abyssal. 
ASTERIDA. 
Asterias (Leptasterias) miilleri . : : A 433-0 0 cancel: 
(3.) ABYSSAL ZONE. 
Species found in depths greater than 500 fathoms. 
At or greater than $4 Z 
+43 | Occurrence in other 
O29 Zones, 
500 | 750 | 1000 | 1500 | 2000 | 2500] 69 8 
A RCHASTERIDA, 
PARARCHASTERINE. 
Pontaster tenuispinus, var. platynota . Seales GOS) | eeeessees 
PLUTONASTERINE. 
Plutonaster bifrons . ; ; ¢ | + Way) |) Ganace 
ASTROPECTINIDE. 
ASTROPECTININ 2. 
Psilaster andromeda ? ‘ i BR. |) oon 
PENTAGONASTERID:. 
MIMASTERINAE, 
Mimaster tizardi : ; ; a || a OO DUI Ga aes acte 
ZOROASTERID. 
Zoroaster fulgens 5 : fs NO! Ws beaten 
PTERASTERIDE, 
PTERASTERIN”. 
Pteraster militaris . 5 ; 5 5 ae DS Olt |e eee 
Pieraster militaris, var. prolata ; 5) ze GO oe Sober 
LE-CHINASTERID. 
ECHINASTERIN2. 
Cribrella oculata, var. (see p. 543), ll ete 555 | Also Continental. 
