EXPLANATION OF PLATES. 
Plate I. 
Fig. 1 —Scutus anatinus Donovan. 
Fig. 2— Tugali cicatricosus A. Adams. 
Fig. 3— Emarginula patula Cotton. 
Fig. 4— Emarginula f Under si Cotton. 
Fig. 5— Emarginula rugosa Quoy & Gaimard. 
Fig. 6 —Cosmetalepas concatenatus Crosse & Fischer. 
Fig. 7— Ambly chile pas javanicensis Lamarck. 
Fig. 8 —Sop his male pas nigrita Sowerby. 
Fig. 9— ‘Austroglyphis lincolnensis Cotton. 
Fig. 10— Hemitonia subemarginata Blainville. 
Fig. 11— Macrochisma producta A. Adams. 
Fig. 12— Zeidora tasmanica A. Adams. 
Fig. 13— Puncturella corolla Verco. 
Fig. 14— Puncturella fumarium Hedley. 
