68 
. Tas. LXXXII. 
SPATANGUS AUSTRALASIA. 
S. lateribus supra spinis majoribus in foveolis receptis. 
Habitat in Australasia Mari. 
NEW-HOLLAND SPATANGUS. 
Side above, with larger spines inserted in excavations. 
In the annexed plate, two views of the shell of this spe- 
cies, deprived of its spines, are given: in one of which, 
the excavations for the reception of the base of the larger 
spines, are very evident. , 
The larger spines are placed, as usual, on papilla, which 
rise from the hollows to receive them, 
