30 EcnnsroiDEA. 



Echinodiscus biforis, A. Agass., 1872, Err. Ecli , i., p. 113 ; 



id. 1. c. iii., p. 532. 



(ft, 1) North Carolina, America - - Exch. 



Hab. Madagascar ; Java ; Mozambique. 



ECHINODISCUS AURITUS. 



Echinodiscus auritus, Leske, 1778, Klein, Add. ; A. Agass., 

 Rev. Ecli., iii., p. 531. 



(ff) "West Australia - Bght. 



Hab. Zanzibar; Philippine Islands ; West Australia. 



ECHINODISCUS L^EVIS. 



Mellita la-vis, Klein, 1734, Nat. Disp. Ecli. 



Echinodiscus Itevis, A. Agass., 1872, Rev. Ecli., i., p. 113 ; 

 id. 1. c. iii., p. 533. 



(rt, b) New Caledonia - Pres. 



Hab. New Caledonia ; Japan ; East India Islands. 



MELLITA. 



MELLITA, Klein, 1734, Nat. Disp. Ecli. (pars.j ; A. Agass , Rev. 

 Ecli., ii , p. 319 ; ill I c. i., p. 140 ; id I c. iii., p. 334. 



EcniNODiscus, Leske, 1788, KL Add. (pars.) ; ENCOPE, Agass., 

 1841, Monog. Scut, (pars.) ; ECHINOGLYCUS, Van Plieh., 

 Gray, 1855, Cat. Rec. Ecli., pp. 19 to 26 (pars.) 



MELLITA SEXFORIS. 



Echinodiscus sexiesperforata, Leske, 1778. 

 Echinus hexaporus, Gmel, 1788, Linn. Syst. Nat., 3189. 

 Scutella sexforis, Lamk., 1816, Anim. sans Vert., p. 9. 

 Mellita sexforis A. Aaass., 1872, Rev. Ecli., i., p. 141 ; id. I c. 

 iii., p. 536 ; id. 1. c. ii., p. 320 ; *W. Yoy. Chall, iii., ;;. 121. 



(a fof) Beaufort, North Carolina, America - Exch. 



Hab. West Indies ; Tropical America, E. C. ; Bermudas ; 

 Florida. 



