BY H. FAKQUHAR. 317 



6, 44; Etheridge, 1889, " Lord Howe Island," p. 37; Farquhar, 

 1897, Journ. Linn. Soc. (Zool. ;, Vol. xxvi., p. 189. 



Distributio n. — New Zealand; Au.stralia; Tasmania; Lord 

 Howe Island; New Caledonia. 



49. ASTHENOSOMA GRACILE. 



A. gracile, A. Agassiz, 1881, "Challenger" Rpt., Yol. iii., p. 89. 

 Distributio n. — Off East Cape; Philippine Islands; New 

 Guinea; 150-1400 fms. 



50. Phormosoma rigidum. 



P. rigidum, A. Agassiz, 1881, "Challenger" Rpt., Vol. iii., p. 104. 

 Distributio n.— Off East Cape; 700 fms. 



51. Strongylocentrotus tuberculatus. 



Echinus tuberculatus, Lamarck, 1816, Anim. sans Vert., p. 50 

 Strongylocentrotus tuberculatus, A. Agassiz, 1872, Rev. Ech., pp 

 165, 449; Tenison-Woods, 1878, Proc. Linn. Soc. N.S.W., Vol. ii.^ 

 p. 157; Etheridge, 1889, " Lord Howe Island," p. 38; Bell, 1884 

 Proc. Linn. Soc. N.S.W., Vol. ix., p. 502; Ramsay, 1885, Cat 

 Ech. Aust. Mus., pp. 13, 46; Farquhar, 1897, Journ. Linn. Soc 

 (Zool. ), Vol. xxvi., p. 189; Ec/uuus omalostoma, Valenciennes 

 1846, Voy. de "Venus," Zooph. PL 6, figs. 2-2f. 



Distributio n. — New Zealand; Lord Howe Island; Aus- 

 tralia; Japan; China. 



52. Strongylocentrotus erythrogrammus. 



Echinus erythrogrammus, Valenciennes, 1846, Voy. de "Venus," 

 Zooph. PI 7, figs. 1-ld ; Stroyigylocentrotus erythrogrammus, A. 

 Agassiz, 1872, Rev. Ech., pp. 163, 441; Tenison-Woods, 1878, 

 Proc. Linn. Soc. N.S.W., Vol. ii., p. 157; 1880, ibid., Vol. v., p. 

 199; A. Agassiz, 1881, "Challenger" Rpt., Vol. iii., p. 106; Bell, 

 1884, Proc. Linn. Soc. N.S.W., Vol. ix., pp. 502, 505; 1884, 

 "Alert" Rpt., p. 121; Ramsay, 1885, Cat. Ech. Aust. Mus., pp. 

 13, 46; Farquhar, 1897, Journ. Linn. Soc. (Zool.), Vol. xxvi., p. 

 189. 



