A. LAXUGIXELLIN.F.. Ö 



for the rest consist of either discohexasters or oxy- 

 hexasters, or of both; without the discoctaster. 



Uijf'erentuil Ketf to tltc Knotrn (Jcuerri und Species. 



"• — Finiily attaclied at base to solid substratum. 



a\ — Without tufts of prostal diactins. Dernniliu stauiactinic. Only diiL(jhexasltrs present 



besides strobiloplumicomes 



1. LanugiiieUa pupa O. >Schm. (N. Atlantic; Polynesia; Sagami 8ea). 



b\ — Willi tufts of jjicistal diactins. Dermalia pentactinic and hexactinic. Only oxy- 



hexasters present besides strobiloplumicomes 



2. Ccili/cosiima validuni F. E. ScH.* (SE. of Mass.). 



''. — Rooted in loose bottom by tufts of pentactinic anchor-needles. 



e'. — Both oxyhexasters and discohexasters present besides plumicomes. Shaft of anchor- 

 needles barbed in the distal part. Body-surface veiled 



'.'>. MeUomjmpha velala(W. Thoms.). (Strait of Giltraltar). 



(iK — Only oxyhexasters present besides plumicomes. Shaft of anchor-needles smooth. 



Body-surface not veiled, but witli tufis of long prostal needles Lophocalyx. 



a'. — Body cup-like. Üermalia stauractinic. Oxyhexasters normal, with terminals 



sliorter than principals 



4. Lophocdlyx philippinensis (J. E. Gray). (Philippines; Polynesia). 



6'. — Body irregularly shaped. Dermalia, convex stauractins and pentactins ; the 

 latter having the unpaired ray directed distad. Oxyhexasters normal, heaii- 



hexactinose and hexactinose; terminals about as long as principals 



5. Jjophomhjx i>pinosa F. E. Sen. (W. of Andaman Is.). 



Of the above-iueiitioned four genera and five species referable 

 to the subfamily, Lanuginella pupa is the only form that has as 

 yet been discovered in the Japanese seas. A description of it 

 after niv own studies follows. 



LANUGINELLA PUPA (J. ?Schm. 



Contrib. III., PI. V., figs. 1—7 ; and this Contrib., PL I. 



(). Schmidt, 70, p. 13 ; PI. XL, iigs. 1,3. — S. Kent, 

 •70, p. 247 ; PI. LXV., figs. 1-6.— F. E. Schulze, '86, 



" For the grounds of placing here this genus and species, originally described b}' F 

 E. ScH. ('99^ :'^ ^"1 Asconematid, see my Contrib. III., pp. T.l-So. 



