Ech inodcriiia . 219 



9. 0. VICTOPJAE. (PI. XX VII I.). 



Disc large, rounded, smooth and shining above, with numerous 

 small scales ; the scales below slightly larger ; the whole covered 

 with a smooth skin. Arms broad at base and narrowing lapidly 

 but not abruptly, quite delicate at tip ; arm-spines moderately stout, 

 pointed, generally three, with two tentacle-scales ; beyond the middle 

 of the arm one scale. 



Stations.— Csiye Adare : 24 fathoms : Xov. 4th, 1899 (28-8° F.). 

 Cape Adare : 26 fathoms : Nov. 14th, 1899 (28-8= F.). 

 Cape Adare : 20-24 fathoms : Jan. 2nd, 1900 (29° F.). 

 Cape Adare: 27 fathoms : Jan. 9th, 1900 (29-2" F.). 

 Franklin Island: 10 fathoms: Feb. 9th, 1900 (29-8° F.). 



IV. ECHINOIDEA. 



10. Echinus maegaritaceus. 



Echinus margaritaeeus, Lamk. Anim. .s. Vert. (1816), p. 47 ; A. Ag. Rev. Ech. 

 (1872), p. 124, ihi'iue citata ; id. op. cit., p. 493; id., ' Challenger' Rep., Echin. 

 (1881), p. 117, 



It is with some diffidence that I assign to this species (of which 

 it is known that specimens exhibit marked variability) two examples 

 from Franklin Island (29-8° Fahr., 10-24 fathoms), as they appear 

 to want the large pedicellariae that are so characteristic of the 

 creature ; the general condition of the collection, with other points 

 for consideration, apparently justifies the course adopted. 



Distribution. — Apparently circumpolar. 



11. Hemiaster cavernosus. 



Tripylus cavernosus, Philippi, Arch. f. Nat., 1845, p. 345. 



Faorina antarctiea. Gray, Ann. and Mag. Nat. Hist. Vlf. (1851), p. 132 ; id., Cat. 

 Rtc. Echin. B. M. i. (1855), p. 57. 



Hemiaster cavernosus, A. Ag. Rev. Ech. I. (1872), p. 132; id., 'Challenger' 

 Rep. (1881), p. 177. 



This species has been so fully discussed by Professor Alex. 

 Agassiz in his ' Challenger ' Keport that it would be superfluous to 



