[Proc. Roy. Soc. Victoria, 2 4 (N.S.), Pt. I., 1911.] 



Art. XIV. — On some Netv Species of Victorian Marine 



Molhisca. 



By J. H. GATLIFF and C. J. GABRIEL. 



(With Plates XLYI.-XLVII). 

 [Read 13tli July, 1911.] 



The present paper describes one new genus and eight new 

 species, figures of which are also given. 



We are again indebted to Mr. E. C. Joshua for his skilful 

 photographs, from which the plates have been prepared. 



Aclis pellucida, sp. nov. (PI. XLVI., Fig. 4). 



Shell acioular, white, semitransparent, longitudinally ribbed. 

 Whorls eleven, rounded, gradually and regularly increasing in 

 size. x\.pex rounded ; the first two whorls are smooth, the 

 remainder are crossed by numerous fine rounded threads, which 

 run in a slightly oblique direction from left to right; the inter- 

 spaces are about the same breadth as the threads ; under the 

 lens there is an indication of faint spiral threads on the lower 

 whorls. Suture well defined. Mouth ovate. Outer lip joins 

 at the centre of the body whorl. Columella regularly curved to 

 the axis of the shell. 



Dimensions of TyjJe. — Length, 4.0 ; breadth, 0.82 mm. 



Locality. — Dredged between Phillip and French Islands, 

 Western Port, in about six fathoms. Port Albert (T. Wor- 

 cester). 



Ohs. — This delicate little shell in general appearance resembles 

 TiirhoniUa fusca, A. Adams, but is much smaller and narrower. 



Type in Mr. Gatliff's collection. 



OdostomJa victoriae, sp. nov. (PI. XLVL. Fig. 2). 



Shell elongate, acicular, white. Whorls nine, exclusive of the 

 hererostrophe protoconch. The Avhorls are slightly convex, and 

 appear to be smooth, but under the lens numerous slight en- 



