wn:i; i:\ 01 NOB m PACIFK IND IDJ >■ 5 



V in two or • r equi\ al i ing m //■ 



gun .il witli 11 1 1 ii i< t nulifonn, 



il with small papular areas, ra 1 

 tributed irinal 



platee regular; superomarginals slightly broadi r ' 

 pi dieellariae surrounding papular ar. 

 bulacral plates « Ith a trans> 



three distalh rrilL 



Idambulacral plates monacanthid. 

 (/'. Aotinal (ventrolateral area broad with tw 



actinal p] very Bunki i carina narrow and 1"' 



opening dorsally; carina! plates evidi 



with a addition to large unguieulate straigl I • uliar 



i straight variety having on each jaw a .-hurt, sharp, and a long, trui 

 laminate prong; among the adambulacral if straight 



riae on long peduncles arising from the plat 



Pitc and '!>•■ 



cP. s - the diplaeanthid i w = t Us adjoining I Re- 



sembling roraaster; dorsolateral platee numero or four lobed, forming a 



close retdoulum on either side of the definite carina] series; spines short, cylindrical, 



blunt, mostl] one on abactinal plates and two "n inferomargina I pedicella- 



SOattered, not in circlets around spines; papular area- small in al 



le Intermargin le; no actinal papul 



carina composed of five pairs of contiguous adambulai -mall. 



■nads 



opening dorsally. Type, Eydrattt U' Fisher. Tar* 



regular longiseries. 

 Abactinal spinelets few. stout, granuliform. 

 <•'. [nferomarginal plates with an oblique series of three or four very Bat, bladelike 



Which form a prominent fringe along the cite of ray; above lnferomar. 



very regular - of plates, thi larginals I 



in series; whole abactinal surface, including superomarginals, has a granular ap] 



ance; live or -i\ very short spinelets per p] 



Lnferomarginal; adambulacrals diplaeanthid; tube-f© 



of ray. Tj ] ■ I er margnrilaci . ' !'■ rricr. 



and marginal granulated, Bubhi xagonal, imbricated in • 



! tlar longiseries; actum 1 plates witl 



of ray only; primary apical plates enlarged, occupying all of the slight) 

 tral portion of disk; adamliulacrals diplancathid; resemM. 



rayed Zoroaster. Type. NtomorphatU 



l.rnus ASTKRIAS Linnaeus, emended 



trio* Lxnnj 9yst. I l". 1758 ; ed. 12, 1766, p 1098 i 



l.iwu.is Gbat, Ann Mag. Nat. Hist., 1840, p 17- - uaa, 



Rev. Stell , 1876, p ■ • Pn Z - I 1881, p. '• I 



llenger Asteroidea, 1889, p 660 Pcbrixr, Exp, sci Travaflleuj 

 1894, p 108 Fibhbb, Ann. Mag. Nat. B I, vol 12, 



mia Nabdo (] 



1 ibhbb, 1918 \'.'. -i/. Mem. too. sei nat. Neucl ttel, 1886, p 191 

 irt), M 335, p. 191 - 



SlaBoma).- Po&bbs, Mem. Went B - - ill 



raeanthion Mi i.i.i u an I 



irg., vol. 1, 184 I 



■■racanthium Brandt, Middendorff' R • 



vol ;i, pt i, 1861, p 28 I 



