ISTEROIDl ORTB PACIFN \M' M-.im l\l w u i i:.- I 1 — 1 1 1 



It seems to me probable that the type specimen of l the young of 



nut- i <if an .1 



from the Falkland Islands, which are distinct from Spo ■, and which 



I believe t" I" 1 true .1 ■ - below The open, weak recticular, abactinal 



skeleton, overlaid bj ■ thick pulpy skin i- liki- thai >>f the tj 



Th< and of S variable and r 1 1 « - two 



• in appear t<> me t" be confluent The distinguishing features for l are 



the weaker, more open, abactinal skeleton and the thicker, pulpy -km. entireh ob- 



ing the abactinal plates and also sometimes the spinelets. Hut 1 1 1 « — • - charai 

 iiri> relative Some specimens of Sporatieritu have a rather weak, open, abactinal 



•..ii especially when young); and a -kin obscuring the i>lnt<-- and formh 

 thick welt around the Bpinelete i- nl-o rather common. I have some specimens <<>l- 

 lected by Dr W I. Schmitl near Teal [nlet, Falkland Islands, which on the b 

 of skeleton and spinelets are Spo l>nt <>f dermal charai 



It i- probable that the thicker -kin is directly correlated with a weak abactinal 

 skeleton The formation <>f local formae i- undoubtedly encouraged by the seden- 

 tary haliit- of tfa tars and by their habit of rearing a relative!] fen jro 

 in n temporary suboral brood chambi 



Kalypta (a Eoehler is closely similar to Anaateritu minute. A well- 



hardened alcoholic specimen of the latter resembles the figures of A ■ • in 



Koehler's sea stars of the Swedish Antarctic Expedition 1923, pi i. figs 3 and i 

 The principal anatomical difference is in the weaker, less regular, superomarginals of 



Kalypta U a distinction which ms t « » me t.> be specific ther 



tliiui generic, 



In tabular form the spe< ii - .\ ■ ■ 1 1 1 < I be arranged as folio 



:' 



I 

 K... filer / 

 . - Perrier, 1804— 



■Mill I • I. u 



;.i. 

 If it should eventually !><• proven that the type specimen "f . nuta 



mII\ n young a, then obviously the sai the type 



of both The broader genus would continue t" be called 



■ name, which would also be the name of the sub 



of the pi erne would I 



with .1 papillosum for type (unless it, too, is a ; 

 I have included the tw<> following fon 



I INASmOUAS MIM n IVrrlar. 



Born, 1891, | 



i | 8, no. 11, II 



1891 



ma p>ipii 



Mrmt <.f Magellan, Tierra « i • • I I • ■•■ Palkland Islands 



