Fig. 
a: 
EXPLANATION OF PLATE XVIII. 
1.—Pteraster tetracanthus, sp. nov. Photograph of the 
holotype from south-east of Cape Everard to south 
of Gabo Island, Victoria, 90-150 fathoms. Abactinal 
view. Natural size. 
ig. 2.—-Actinal view of same specimen as Fig. 1. 
3.—Asterina leptalacantha, sp. nov. Photograph of the 
holotype from Masthead Island, Queensland. Abac- 
tinal view. Twice natural size. 
4.—Actinal view of same specimen as Fig. 3. 
Crossaster multispinus, sp. nov. Photograph of the 
holotype from between Gabo Island, Victoria, and 
Disaster Bay, New South Wales, 50-100 fathoms. 
Abactinal view. Natural size. 
ig. 6.—Actinal view of same specimen as Fig. 5. 
