ECHINOIDEA. 9 
HETEROCENTROTUS MAMMILLATUS. 
Cidaris mammullata, Alein, 1734, Nat. Disp. Ech. 
Heterocentrotus mammillatus, Brandt, Prod. Des. An., 1885 ; 
A, Agass., Rev. Ech., iii., 428. 
(a) Ugi, Solomon Islands - - - - - Coll. 
(6, c) Ugi, Solomon Islands - = - M 
(dtog) Fiji - - - - - - aque: 
(h to 7) Fiji, denuded tests - = - - 
(4 tom) Fij), partly denuded - - - - 
(n) Pheenix Islands - - - - - - Exch. 
(0) Ellice Islands — - - - - - = Pres 
Hab. Red Sea; East India Islands; Mauritius; Fiji; Sandwich, 
Solomon and New Hebrides Islands. 
HETEROCENTROTUS TRIGONARIUS. 
Echinus Trigonarius, Lamk., 1816, dn. Sans Vert. 
Heterocentrotus trigonarius, Brandt, Prod. Desc. An., 1835; 
A, Agass., Rev. Ech. ii. p. 480. 
(a, 6) Adult. Mauritius - - 2 e - Bght. 
(c,d) Young. Mauritius - = = 2 zr 
() Bui = 2 - - - - - - Exch. 
(f) Fiji (denuded) - - - = : Ss 
Hab. Mauritius; Java; New Caledonia; Sandwich and Fiji 
Islands. 
ECHINOMETRA. 
EcuinoMerra Rondel, 1554, De Piseib. Mar. (Breyn) ; 
A, Agass., Rev. Ech. ii., p. 431; td. Voy. Chall., ii, 
p. 105. 
ECHINOMETRA LUCUNTER. 
Cidaris lucunter, Leske, 1778, Kl. Add. 
