EXPLANATION OF PLATE XIX. 



Fig. 1. — Echinaster acanthodes, sp. nov. Photograph of the 

 holotype from t\\enty-five miles south-east of Double 

 Island Point, Queensland, 33 fathoms. Abactinal 

 view. Six-sevenths natural size. 



Fig. 2. — Actinal view of same specimen as Fig. 1. 



