EXPLANATION OF PLATE XXVI. 



Eig. L- — Quinquarius hendecacanthus, sp. nov. Type, 24G 

 mm. long, from south-west of Cape Everard, 

 Victoria. 



Fig. 2. — Head of a young specimen, 103 mm. long, from the 

 Great Australian Bight. 



Fig. 3.^ — ^Breast of the same specimen as Fig. 2. 



