BY C. HEDLEY. 11 



sculpture. Aperture ovate, with a parietal callus and a small 

 deeply seated plication, throat grooved. Height 1-57, breadth 

 0-8 mm. 



llah. — Ten miles south of Cape Sidmouth, N. Queensland, in 

 13 fathoms; two specimens (J. Brazier). 



T3^pe to be presented to the Australian Museum. 



A fancied resemblance to the bald head and hunched shoulders 

 of an old man suggested a name for this shell. 



Pyrgulina zea, n.sp. 

 (Plate iii., fig. 34.) 



8hell small, solid, conical, imperforate. Colour white. Whorls 

 four, besides a sunken heterostrophe apex, separated by deeply 

 channelled sutures. Sculpture : the body whorl has above three 

 rows of beads, confluent perpendicularly, about 18 to a row, set 

 about their breadth apart; anterior to these is a deep groove and 

 a peripheral keel, on the base are two smaller keels. The triple 

 row of beads, but not the peripheral keel, ascend the spire. On 

 each whorl the perpendicular bead rows are set at a slightly 

 different angle to the axis of the shell. Aperture slightly oblique,, 

 faintly grooved within, no parietal callus, plication single, small 

 and deeply seated Height 1-8, breadth 0*88 mm. 



Hah. — Ten miles south of Cape Sidmouth, N. Queensland, in 

 13 fathoms; one specimen (J. Brazier). 



Type to be presented to the Australian Museum. 



Pyrgulina umeralis, n.sp. 

 (Pkteiii., fig. 32.) 



Shell small, very solid, imperforate, elongate-ovate. Whorls 

 three and one-half, besides the elevated lateral heterostrophe apex, 

 separated by a deeply channelled suture. Colour white. Sculp- 

 ture : the body whorl has al)Ove a double row of beads, each bead 

 confluent from above to below, about sixteen beads to a row, set 

 less than their breadth apart These are followed anteriorly by 

 a deep groove and a stout peripiieral keel. Thence to the anterior 



