EXPLANATION OF PLATE XLIII. 



Fig. 1. — Coelopleurus australis, sp. no v. Photograph of the 

 holotype from the Eastern Slope, Bass Strait, 60-112 

 fathoms. Side view. Natural size. 



Fig. 2. — Sahnacis oligopora, sp.nov. Photograph of the holo- 

 type from Oyster Bay, Tasmania, 20-40 fathoms. 

 Side view. Natural size. 



