200 s. goto: 



shape, the indentation being turned towards the centre of the 

 disk. 



Terminal jjlate. — The terminal plate is tolerably large and bilobed. 



Locality. — This species occurs on the same sand flats with 

 Astrop, scoparius and is in some localities nearly as common as the 

 latter. I have specimens from the following localities : Hôjô 

 (Awa), Zushi (Sagami), Nabuto (Awa), Kachiyama (Awa), Misaki, 

 Fushiki (Japan Sea). 



Specimens in S.C., H.N.S., I.M., I.H.S. 



Astropecten formosus Sladen. 



Tliis species is not represented in any of the collections mentioned at 

 tlie beginning of this paper. The following is its original description by 

 Sladen [ 79, p. 424] : 



" Astropecten formosus, sp. nov. PL VHI. figs. 1, 2, 3, 4. 



" Coll. St. John : Korea, 36 and 54 fathoms (young) ; W. Coast of 

 Nippon, 60 fathoms. 



" Disk large, rays slioi-t, arm-angles widely roimded ; the greater and 

 lesser radii of the largest specimsn measm:e respectively 14.5 millims. and 

 5.2 miUims., or in the proportion of 2| : 1 approximately. The foot- 

 papillse, which are all cylindrical and taper towards the tip, form two series ; 

 the inner one, which spreads out into a comb overhanging the ambulacral 

 furrow, is composed of three papillae, the middle one being longer than the 

 others ; the outer series, which radiates towards the ventral plates, consists 

 in the middle of the arm of tln-ee papiUse, whilst along the inner fourth 

 of the furrow there are fom- or five, these being arranged two and two, or 

 two and tlu'ee together, one pair opposed to the inner series, the others 

 placed more external and nearer together. On the innermost plates of the 

 ray this external series of foot-papillse is fm'ther augmented by two or three 

 additional spinelets, and which form an almost imperceptible transition into 

 the scuticles of the ventral plates. The ventral marginal plates bear tluree 



