ECHINOIDEA. 



HETEROCENTROTUS MAMMILLATUS. 



Cidaris mamtnillata, Klein, 1731, Nat. Disp. Ecli. 

 Heteroeentrotus mammillatus, Brandt, Prod. Des. An., 1835 : 

 A. Agass., Rev. Eel/., iii., 428. 



(a) Ugi, Solomon Islands - - Coll. 



(b, c) Ugi, Solomon Island* - ,, 



(dtoff) Fiji - O.C. 



(htoj) Fiji, denuded tests - 



(k to 111) Fiji, partly denuded - ,, 



(ri) Phoanix Islands - Exch. 



(0) Ellice Islands - Pres. 



Hab. Red Sea; East India Islands; Mauritius; Fiji; Sandwich, 

 Solomon and New Hebrides Islands. 



HETEROCENTROTUS TRIGONARIUS. 

 Echinus Trigouarius, Lamk., 18 L6, An. Sans Vert. 



Heterocentrotus trigouarius, Brandt, Prod. Desc. An., 1835 ; 

 A. Agass., Rev. Ech., iii., p. 430. 



(a, b) Adult. Mauritius - Bght. 

 (c, d) Young. Mauritius - 



(e) Fiji - Exch. 



(/') Fiji (deuuded) - 



Hab. Mauritius; Java; New Caledonia ; Sandwich and Fiji 

 Islands. 



ECHINOMETfiA. 



ECHINOMETRA Rondel, 1554, Do Piscil). Mar. (Breyn) ; 

 A. Ar/ass., Rev. EcJi., iii., p. 431 ; id. Voij. Chall., iii., 

 p. 105. 



ECHINOMETRA LUCUNTER. 



Cidaris lucunter, Leskc, 1778, Kl. Add. 



