catalogue of echinida. 
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Echinanthus australasia, Gray, Proc. Zool. Soc. 1851. 
Hab. Australia. 
a. With a few spines ; adult. N. S. W. Brisbane Water. 
4. Echinanthus testudinarius. 
Tent beneath, a little within the edge ; depressed, back 
slightly raised, evenly convex ; under surface rather concave 
from the edge. 
Echinanthus testudinarius, Gray , Proc. Zool. Soc. 1851. 
Hab. Indian Ocean. Borneo. 
a, b, c. Adult and half grown ; varying rather in the con- 
vexity of the back. Borneo ? Presented by Capt. Sir 
Edward Belcher* K.C.B., R.N\ 
d, e. Young, covered with spines. Borneo. Presented by 
the Admiralty. 
5. Echinanthus oblongus. 
Ovate, oblong, elongate, rounded at the end ; sides thick, 
rounded ; back depressed round the end of the ambulacra ; 
crown rather convex ; ambulacra ovate, lanceolate, broad, and 
closed at the end ; underside concave nearly to the edge ; am- 
bulacra grooves indistinct ; vent near the margin. 
Echinanthus oblongus, Gray , Proc. Zool. Soc. 1851. 
Hab. Philippines. Siquigor. 
a. Young (?) with only a few spines. Siquigor. Mr. 
Cuming’s Collection. 
8. Echinanthus productus. 
Shell ovate, elongate, the hinder end produced and flattened, 
the edge rather thick, thinner behind ; the ambulacra petals 
broad, the bands not quite united at the end ; under side con- 
cave to the margin ; vent near the margin. 
Echinanthus productus, Gray, Proc. Zool. Soc. 
Hab. ? 
a. Young ? Above pink ; under surface greenish, with nar- 
row pink lines over the suture between the tessera. 
7. Echinanthus colea:. 
Shell ovate, sub-pentagonal, depressed ; margin thick* 
rounded ; back depressed, as far as the end of the ambulacra, 
and then rather convex in the middle ; the under side con- 
cave nearly to the edge ; ambulacral petals ovate, lanceolate, 
closed at the end ; vent near the margin. 
Echinanthus Colese, Gray, Proc. Zool. Soc. 1851. 
Hab. Mauritius. 
a, b. Without spines. Mauritius. Presented by Lady 
Mary Cole. 
