EXPLANATION OF PLATE III. 



Eig. 1. — Oreometra pericalles, sp. nov. Photograph of the 

 holotype from thirteen miles north by west of 

 Double Island Point, Queensland, 25-26 fathoms. 

 Natural size. 



Fig. 2. — Comanthus perplexum, sp. nov. Photograph of the 

 holotype from eleven miles south by east of Balhna^ 

 New (South Wales, 27-28 fathoms. Natural size. 



