ECHINOIDEA. 27 
EcHINANTHUS TESTUDINARIUS. 
Echinanthus testudinarius, Gray, 1851, P. Z. S., Lond, p. 35; 
A, Agass., Rev. Ech., iii., p.514; id. Voy. Chall., iti., p. 120. 
(a, b,c) Port Jackson, 5 to 7 faths. - - - Coll. 
(d) Port Denison’ - - - - - oj Nie 
LAGANIDA. 
Sub-Family Lacantp®, Des., 1857, Synops., p. 217 (emend./ ; 
A, Agass., Rev. Ech., iii., p. 516. 
LAGANUM. 
Lacanum, Klein, 1734, Nat. Disp. Ech. Laganwm, Agass. 1841. 
Ecurnopiscus, Leske, 1778 ; Ecuinus, Gmel., 1788. 
Crypraster, Lamk., 1816; Scurenia, Lamk., 1816. 
Lacanum, A. Agass., Rev. Ech., iii, p. 516; PERonELLA, Gray, 
1855, Cat. Rec. Ech. 
LAGANUM DEPRESSUM. 
Laganum depressum, Less., 1841, in Agass. Mon. Scut., p. 110; 
A. Agass., Rev. Ech., iii., p. 518 ; td. 1. ¢., i., p. 188. 
(a) 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. 
Lacanum (Peronella) DECAGONALE. 
Laganum decagonale, Bell, Voy. Alert, pp. 122, 171; id. Ann. 
and Mag. Nat. Hist. (5), xi., p. 180. 
Peronella decagonalis, A. Agass., Rev. Ech., iii., p. 520 ; id. 1. c., 
i, p. 148; Bell, Proc. Linn. Soc., N.S.W., 1884, ix., 
p. 502. 
(atog) Port Denison, 3 to 20 fathoms - - Coll. 
(h to k) West Australia - - - - - Bght. 
(1 ton) New Caledonia - - - - - Pres, 
Hab. Fiji Islands; East and North Coasts of Australia ; 
New Caledonia. 
