ECIUNOIDEA. 27 



EcniNANTTTUS TESTDTHNARIUS. 



Echinanthus testudinarius, Gray, 1851, P. Z. S., Loud , p. 35 ; 

 A. Aaass., Rev. Ecli., iii., p. 514 ; id. Voi/. Cliall., iii., p. 120. 



(a, b, e) Port Jackson, 5 to 7 faths. ... Coll. 

 Port Denison - 



LAGAN I D/E. 



Sufi-Family LAGANID.E, Des., 1857, Synops , p. 217 f emend, J ; 

 A. Affass., Rev. Ecli., iii., p. 510. 



LAGANUM. 



LAGANUM, Klein, 1734, Nat. Disp. Ech. Laganum, dyass. 184-1. 

 ECHTNODISCUS, Leske, 1778 ; ECHINUS, GmrL, 1788. 

 CLTPEASTER, Lamk., 1816 ; SCUTELLA, Lamk., 1810. 

 LAOANUM, A. Ayass., Rev. Eeli., iii., p. 510; PERONELLA, Gray, 

 1855, Oat. Rec. Ech. 



LAGANUM DEPRESSUM. 



Laganum depressum, Less., 1841, in Af/ass. Mon. Scid.,p. 110; 

 A. Affass., Rev. Ecli., i\\.,p. 518 ; id. 1. c., i., p. 138. 



(ff) Samoa - Exch. 



Hab. Solomon Islands ; North and North-East Australia ; 

 Torres Straits ; Islands of the Pacific Ocean, between the 

 Tropics ; Mauritius ; Philippine and Fiji Islands, &c. 



LAGANUM (Peronella) DECAGONALE. 



Laganum decagonale, Bell, Voy. Alert, pp. 122, 171 ; id. Ann. 



anil Mag. Nat. Hist. (5), xi., p. 130. 



Peronella decagonalis, A. Agass., Rev. Ecli., iii., p. 520 ; id. 1. c., 

 i., p. 148; JM1, Proc. Linn. 8oc., N.S.W., 1884, ix., 

 p. 502. 



(<? to g ) Port Denison, 3 to 20 fathoms - Coll. 



(h to k) West Australia - - Bght. 



(/ to n) New Caledonia - - Pres. 



Hab. Fiji Islands ; East and North Coasts of Australia ; 

 New Caledonia. 



