150 ACTION. 



slightly convex on the body, it passes gradually into the short con- 

 cave pillar, at the base of which there is only the faintest trace of a 

 tooth ; its edge is sharp and patulous, with a minute chink behind 

 it. Alt. 0-18 in.; diam. O'l. Penultimate whorl, height O06. 

 Mouth, height (Ml, breadth 0'07 inch. ( Wats.). 



0/Moncceur Island, Bass' Strait, 38-40 fms. 



A. austrinus WATS. J. L. S. Lond. xv, p. 286; Chall. Gastr. p. 

 628, pi. 47, f. 3. 



This species slightly resembles Actceon pnsillus (Forbes), from the 

 Mediterranean and North Atlantic ; but the spirals in that species 

 are stronger, and are pit marked ; the suture is much stronger and 

 more channelled,, and the body whorl is more barrel-shaped. 

 (Wats.). 



A. FABREANUS Crosse. PI. 18, figs. 86, 87. 



Shell slightly rimate-perforate, ovate-globose rather thin but some- 

 what solid, a little shining ; transversely sculptured with numerous, 

 regular flat sulci, the interstices longitudinally very delicately lirate. 

 Whitish, longitudinally marbled with violet-brown. Spire moder- 

 ately elevated, the apex subacute; suture deeply impressed, sub- 

 canaliculate. Whorls 7, the two embryonal smooth, whitish, the 

 following a trifle convex ; last whorl exceeding the spire in the pro- 

 portion of 8 : 2, attenuated toward the base. Aperture oblong 

 pear-shaped, whitish within ; peristome simple ; columellar margin 

 thickened, with one fold, livid white, outwardly rounded, acute. 

 Alt. 10i, diam. 6 mill. Aperture scarcely 8 mill, long, 3 wide. 

 (OK). 



Yo, New Caledonia (Balansa). 



Tornatella fabreana CROSSE, Journ. de Conch. 1873, p. 66, 130, 

 pi. 5, f. 4. 



Allied to A. pudicus, but more globose, the spire shorter, and dis- 

 tinguished by its color and the lirate intervals between the riblets. 

 (Or.). 



A. PUDICUS A. Adams. PI. 19, figs. 20, 21. 



Shell oval, subcylindrical, subumbilicate, solid; dull whitish, a 

 little flesh tinted. Spire a little elevated. Whorls convex, trans- 

 versely grooved, the grooves equal, punctate. Aperture oblong ; 

 columella strongly uniplicate. (Ad.). 



Cagayan, Mindanao, Philippines (Cuming). 



