EXPLANATION OF PLATE XXXVIII. 
1.—Cidaris conferta, sp. nov. Photograph of the holo- 
{ 5s G 2 b a 
type from the Eastern Slope, Bass Strait, 80-200 
fathoms. Abactinal view. Two-thirds natural size. 
2.—Actinal view of same specimen as Fig. 1. 
3.—Side view of same specimen as Fig. 1. 
4.— Basal third of a large spine from the specimen shown 
in Fig. 1. Four times natural size. 
