EXPLANATION OF PLATE XUIT. 
Turris babylonia Linne. Woodlark Island. Section to show 
fluted interior of whorls. 
Turris marmoratu Lamarck. Starcke River, Queensland. 
3 Apex. Hagle Island, Queensland. 
Asthenotoma nivea Philippi. Operculum. Karachi, India. 
56 cicutrigula Hedley. Type. 
55 subtilinea Hedley. Type. 
Filodrillia columuaria Hedley. Type. 
ra mucronata Hedley. Type. 
5 ornata Hedley. Type. 
‘5 studialis Hedley. Type. 
i steira Hedley. Type. 
Turridrupa acutigemmuta Smith. Hope Island, Queensland 
as we Apex. 
5 deceptria Hedley. Type. 
