52. 
EXPLANATION OF PLATE XLY. 
Austrodrillia beraudiana Crosse. Port Jackson. 
Melatomu dumpieria Hedley. Type. 
5 duplaris Hedley. ‘l'ype. 
- eburnea Hedley. Type. 
a lygdina Hedley. ‘ype. 
E, spadicina Hedley. ‘Type. 
Clavus eneus Hedley. Type. 
, candidulus Hedley. ‘ype. 
,, costatus Hedley. Type. 
9a + ANDERS: 
exasperatus Reeve. Apex. Hope Island, Queensland. 
viduus var. vidualoides Garrett. Operculum. Cebu, 
Philippines. 
Tredalea subtropicalis Oliver. Murray Island, Queensland. 
Scriniwm furtivwm Hedley. Type. 
