EXPLAXATTOX OF PLATE XLIII. 



Dia pit u* coTuIcus Khmzinger. 



Fig. 1. A specimen 138 mm. long, from the Great 

 Australian Bight, 350-450 fathoms. 



Fig. 2. Auteroanal, posterolateral, and posteroanal 

 photophores of another specimen, from the Great 

 Australian Bight, 200-300 fathoms. 



Halosaurus pectoralis, sp. nov. 



Fig. 3. Holotype, 545 mm. long, from the Great 

 Australian Bight. 



