tflTBBOIDKA 01 MOUTH PACIFIC IND aSJACBNI WATERS PISH] 219 



r 1 . A 



plat 



(/'. Marginal an.i abactinal 



ed with pedicellariac mi,. I I,:, vIihk 



esses which form • broad, verl rmarginal 



two wel I clutter of ]*■•'■ .■ tinal 



surface soft, r. . ilnrlv and finely pitpiili - ■ al |>lat<-s thin (with nidi- 



. lar reticulum • 

 .-km; interbrachial septum strong dly, egg) 



i. broadlj lani • m furrow margin; t* 



abulaeral plate* contig tmbulacral plat rl> dipla- 



Cryptasterias V.rrill. 

 <P. Neither marginal n>>r a h a c ti n al p 



and adambulacral systems. - Adelastenas Verrill. 



\ lambulacral plates with devoid <>f attached pedieellar 



<■'. Al 



pen it fairly close meshwork, in which not very regulai 

 times be distinguished; abactinal spineleti fairly to vrry numerous; -kin typically 

 not unusually thick pulpy and rugose • ; actual plat. 



!«■ absent in youi . 

 J'. Abactinal eromarginal spines surrounded by circlets • ■< hhissi il pedioeuai 



Inferomargina] and cylindrical or i 



ii plate in an oblique series, with an assofiiatwl group of cross) 



Sporastenas lVrricr. 



(P. Pedioellarl nol in circlets around abactii 



inferomargina] and ad 



mbs forming ■ chevaux-di 



acth i unknown Ertmastenas 1 



Skeleton hidden under a pulpy, sometimes verj ru| 



ilarly reticulate, weak, with few spinel* I ing ventraUy. 



d>. Skin very thick, complex, pustulated, the ahactinal the 



tructure; actinals spinel eighl or 



dipls Korhlerastfr I 



<P. Skin thick but not having a complex cauliflower structure. 



i of marginals well di Anastena* I' 



marginals weak]] d forxnlng a rather irreguli 



radical!-. Kalyptastenas 



Jaera] plates with a crowded trai mb "f four i.r live 



irhieh carry a: •,,. w ,th | 



well uw. nth angle rather broad, wit 1 



pressed adoral car raj pair* of adamluilacral plati 



.Is opening don I Penssaslenas ' 



inal mrfai ft nini (!• al>artinal platl 



: superficially invisible. 



M klg il and al :. lateral spaced, tra 



dambulacra] plat 

 platelets; dens urrounding the spinelsts In manun . adaiuhulacral* 



Dtrally. 



Lysastenaa 1 

 the* marginal ilacral and 



adainliulacral red with .apillac. containing each a ah 



■ all surface*; adamhularraU dipta 



Adrlastenas \ 



