EXPLANATION OF PLATE IV. 



Fig. \.~-rComanthus plectrophorum, sp. nov. Photograph of 

 the holot ype from east of Flinders Island, Bass Strait, 

 100-300 fathoms. Natural size. 



Fig. 2. — Cosmiometra dasybrachia, sp. nov. Photograph of 

 the holotype from east of FHnders Island, Bass 

 Strait, 70-100 fathoms. Natural size. 



Fig. 3. — Comanthus spanoschistum, sp. nov. Photograph of 

 the holotype from east of Babel Island, Bass Strait, 

 60-70 fathoms. Natural size. 



