LSTBROIDBA "1 NOBIS PACtTK ami \l'Jvl\l WATKttB H8HJ -'". 



«iul carry two suborals and a tiny lateral marginal Bpinelet; a few scattered 



smtill crussod |»'ilic<lliiriiii': and a few nail broadly Ian lit pedi- 



oellariae oo aetinal surface; tube feel biaeriaJ prozimally 



The type and only known species i- an immature form, which, when adult, may 

 In-.' the primitive character "f the skeleton especially <>f tin' moutb angle 

 Tin' relationships of the genua are "!■ Perrier placed it in the /'■ 



rhile Mortensen believes it is neari lands, il . - 



tr,ll,i and Neomorpha 



0A8TRASTKS MABGABI1 II M s I;,,,., 



PtdictUatitr margaritaceut Pbkbi«b, Rapport »ui uinedeA. 1 



1882 

 QoMtnuttr margariiaottu Paaanu, 1894, p. 108, pi '.'. Bg i V 137 



I have examined th< iecimen, K 17.fi mm. 



oil' tlir Azores; Bay of Biscaj 938 to 1,225 meters ; taken also \.li ; 



60' W., 100 meters Mortensen), 



C.-nu- LBPTAST1 l!l U3 \ .Trill, p. 2.1 



Subgenus I.kita.st! ;!!, p 24 



I. If I' I V- I I 111 \s Mil I II » Mur.lorh p 21 



forma tin Hi k, p. JS 

 forma II I 11 1 M . 1 EN -.Is. p T. 



I I I 1' I V> I I 111 is VI > I I II V v.nlll 



■ ■ Kim 1 . Amrr. JoUl 



nk. off < !ape < Sod, 33 t" 35 fathoms Verrill 



in'iciiniiv imiiiii iij.k.m.... p a 



I LSPTASTKBIAS l.ltlil M VMIII \ I lllk.n . p 1". 

 forma I.H.lKNI Will. V. p l- 

 f..,m» CUSS (III V p R 



1111 1MIKI vs IIIM'II.H i v Vr-nHII. 



Kt.rut.i > \miiiiii. \iiiit. Joui - ' IB, 1896 p 210 



Albatrou Station 2494, 45 14' 30" N., 59 '■ | 



•ins. 



"Allied t" /. littoralit but has much longer and very acute spines, which 

 imerous." \ i rrill. > 



iiriisinih-. in 1 ODSS H>l«r. p. is. 

 LBPTASTSaUS HTPBBBOB9U l>.ni.l«-n and Kortn. 



Aiteriat hyptrborea Daniei.ssen ash KoHXM, N\t Slag. f"r Nat - 



North Atlaiilii- I ip . L884, p m. pi. :< Bgl 1 7 

 am Mivin"is urn KoasN, Njrl 



i '.i 



t Attmrn mMeri var. /toctWM LbtinsBK, Kam-1 



Vicinity of Spitzbergen; t.. .;.", fathoi eon Bofsten, I'M*, p S3 B 



fathoms (see p 34 Exclusively high arcl 



». l.i:i'i 18TEBIAS LSPTALBi wmn. , u 

 a LBPTASTBaVUS UTTOBaMJS M.mpm . 



Af- 



■ 



