6 ECHINOIDEA. 



DlADEMA SETOSUM. 



Cidarites diadema, Lamk., 1816, Anim. sans Vert., p. 58. 

 Diadema setosa, Gray, 1825, Ann. Phil., p. 4. 

 Diadema setosum, A. Agass., Rev. Echin., iii., p 408. 



(a) New Caledonia Free. 



(b to g) Ugi, Solomon Islands - Coll. 



(Ji, i) TJgi, Solomon Islands, denuded tests 



Hab. South Pacific ; West India ; Philippine and Cape Verde 

 Islands ; Japan and China Seas ; East and North Coasts of 

 Australia, north of Wide Bay. 



CENTROSTEPHANUS. 



CENTEOSTEPHANUS, Peters, Denkscli. Akad. Berlin, 1855 ; 

 A. Agass., Rev. Ech., iii., p. 409. 



CENTEOSTEPHANUS EODGEESII. 

 Thrichodiadema Eodgersii, A. Ag., 1863, Proc. Acad. N. S. Phila., 



p. 354. 

 Ceutrostephanus Eodgersii, A. Ag., 1872, Rev. Ech., Pt. i.,p. 98 ; 



id. 1. c., iii., p. 412. 



(a to d) Long Bay, near Botany Heads Coll. 



(e,f) denuded tests 



(ff to j) Young, dredged in 5 faths., Port Jackson 



Hab. East and South Coasts of Australia; (New Caledonia?). 



ECHINOTHRIX. 



ECHINOTHEIX, Peters, Monatsb. Akad. Berlin, 1853. 



ECHINOTHEIX CALAMAE1S. 



Echinus calamaris, Pall., 1774, Spic. Zool. 



Echinothrix calamaris, A. Agass., 1872, Rev. Ech., Pt. i., p. 120 ; 

 id. 1. c., Pt. i\\.,p. 413 ; id. Voy. Chall, HI, p. 67, 1881. 



(a) Ugi, Solomon Islands - - Coll. 



Hab. Society Islands ; East India Islands ; Philippines ; Fiji ; 

 New Hebrides and North Coasts of New Guinea ; North 

 Australia. 



