284 RECORDS OF THE AUSTRALIAN MUSEUM. 
In this large species the unusual depth seems to have produced a 
thinner shell, in which the armature of the aperture is comparatively 
feeble. 
Hab. South Australia :—100 fathoms, 40 miles south of Cape Wiles 
(type, self). 
Korema sporca Hinds. 
(Plate xlviii., fig. 86.) 
Clavatula spurca Hinds, Proe. Zool. Soe., 1843, p. 39. Id. Hinds, Zool. 
“Sulphur,” 1844, p. 17, pl. v., fig. 14. Id. Semper, Vehr. Ver. 
Hamburg, ii., 1876, p. 202. 
Pleurotoma spwrea Reeve, Conch. Icon., 1., 1846, pl. xxxiv., fig. 312. 
Glyphostoma spurca Sowerby, Proc. Malac. Soc., 11., 1896, p. 32. 
Lienurdia spurca Schepman, Siboga Exped. Monogr., xlixe., 1913, p. 434. 
Id. Melvill, Proce. Malac. Soe., xii., 1917, p. 184. 
Mungilia spurca Odhner, Kung. Sv. Vet. Akademiens Handl., lu., 16, 1917, 
p. 58. 
Pleurotoma rava Reeve (not Hinds), Conch. Icon., 1., 1845, pl. xxviii., 
fie. 250. 
A specimen referred to this species, 125 mm. Jong and 5 mm. broad, 
which I gathered in 1906, dead, on the beach at Cairns is here illustrated. 
Hab. Queensland :—Cairns; Forsyth Island, Gulf of Carpentaria 
(self). Avafura Sea. Northern Territory:—32 to 36 fathoms, Port 
Darwin (Coppinger). Western Australia:—12 fathoms, Cape Jaubert, 
45 miles W.S.W. (Mjoberg). 
Var. Huser Sowerby. 
Cluthurella spurca Brazier, Proc. Linn. Soc. N.S.W., i., 1876, p. 156. 
Pleurotoma spurca Smith, Zool. “Alert,” 1884, p. 39, pl. iv., fig. F.F1. 
Pleurotoma huberti Sowerby, Proc. Zool. Soc., 1893, p. 487. pl. xxxviu., 
fies. 11, 12. 
Hub. Queensland:—Port Molle (Coppinger) ; 13 fathoms, Princess 
Charlotte Bay; 20 fathoms, Cape Grenville (type); 30 fathoms, Darnley 
Island (Brazier); 4 to 14 fathoms, Albany Passage; Boyne Bar, Port 
Curtis (self). 
Err EMA TORTLLABLA Sp. ov. 
(Plate xlviii., fig. 87.) 
Olathurella donata Brazier, Proc. Linn. Soe. N.S.W.,1., 1874, p. 155 (not 
Olavatula donata Hinds, Zool. “Sulphur,” ii., 1844, p. 22, pl. vii., 
fig. 7). 
