JOURNAL OF CONCHOLOGY. 1 35 



DESCRIPTION OF NEW TASMANIAN SHELLS. 

 By W. F. PETTERD. 



[Read before the Conchological Society.] 



. Liotia com pacta n. sp. Shell minute, dull, white, dis- 

 coid, spire flattened, regularly and distantly ribbed, 

 ribs rounded and prominent, covered with concentric 

 fine strige, ribs also striated, nucleus smooth ; whorls 

 3^, rounded; aperture expanded, umbilicus open, 

 freely showing the spiral whorls, sculptured same as 

 upper surface. Long. i}( mill, lat. ^ mill. 



Habitat, Leven Heads, (Miss Lodder). 



Of this pretty little shell I have seen but one 

 example — the type — and that is in the collection of 

 Miss Lodder, a very careful and enthusiastic collector. 



Liotia Lodderae n. sp. Shell small, discoidal, white ; 

 whorls 4}4, ornamented with several spiral sub-obso- 

 lete lirse ; umbilicus open, aperture almost circular, 

 reflexed and thickened. Long. 2 mill., lat. i mill. 



Habitat, Leven Heads (Miss Lodder). 



Apparently abundant at the locality given. 



Turritella Higginsi n. sp. Shell acuminately turreted, 

 rather thin, reddish brown; whorls 15, excavate at 

 the suture, ornamented with spiral lines, and three 

 transverse keels ; aperture ovate, labrum with a very 

 deep open sinus in the middle. Long. 30 mill, lat. 

 9 mill. 



Habitat, Tamar Heads. 



A very fine form, quite distinct from any existing 

 species. Professor Ralph Tate informs me that it is 



