8 ECHINOIDEA. 



ASTHENOSOMA. 



ASTHENOSOMA, Orube, 1867, Jahresb. d. Scliles. Ges.f. Vat. Cult. ; 

 A. Affftss., Rev. Ecli., iii., p. 422 ; id. Voy. GhalL, iii , 

 p. 82, 1881. 



(Not represented.) 

 Hab. China Seas. 



PHOEMOSOMA. 



PHORMOSOMA, Wijville Thomson, 1874, Ecli. Porcup., Trans. 

 Soy. Soe., Vol. clxir., Ft. 2, p. 732 ; A. Ay ass., Voy. 

 ChalL, iii., p. 91. 



(Not represented.) 



ECHINOMETRAD^:. 



, Gray, P. Z. S., Lon., 1855, p. 37 ; A. Agass.. 

 Rev. Ecli., iii., p. 423. 



COLOBOCENTBOTUS. 

 COLOBOCENTROTUS, Brandt, 1835, Pror?. 



COLOBOCENTKOTUS ATBATFS. 



Echinus atratus, Linn. St/st. Nat., 1758. 



Colobocentrotus atratus, Brandt, Prod. Des. An., 1835; A. Agass., 

 Rev. Ecli., iii., p. 424. 



(a, o) Mauritius - O.C. 



(c) Half denuded of spines, Mauritius - ,, 



(d, e) Sandwich Island - Exch. 



Hab. Mauritius ; East Coast of Africa ; Java ; Sandwich 

 Islands. 



HETEROCENTROTUS. 

 HETEROCENTROTUS, Brandt, 1835, Prod. Des. An. 



