MOLLUSCA.—HEDLEY. 29 
Twelve complete specimens, including the type, were dredged, December 28th, 
1913, from 288 fathoms, ooze, off the Eastern Barrier of Adelie Land, in South Lat.. 
66° 55’ and East Long. 145° 21’. Also a single valve, January 28th, 1914, from 240 
fathoms, ooze, off the Shackleton Ice-shelf, in South Lat. 65° 20’ and Hast Long. 95° 27 A 
THRACIA MERIDIONALIS Smith. 
Thracia meridionalis Smith, Chall. Rep. Zool., xiii., 1885, p.. 68, pl. vi., fig. 4; Id., 
Lamy, Ist Expéd. Antarct. Frang., 1906, Moll., p. 15; Id., 2nd Expéd., 1911, 
p. 22; Id., Hedley, Brit. Antarct. Exped., i1., 1911, Moll., p. 3; Id., Smith, 
“Terra Nova” Exped., il., 1915, p. 78. 
Mysella ¢ truncata Thiele, Deutsch. Siidpol. Exped., xiii., 1912, p. 230, pl. xviii. fig. 18. 
One complete specimen, December 28th, 1913, from 288 fathoms, ooze, off the 
Mertz Glacier’ Tongue in Adelie Land, South Lat. 66° 55’ and Hast Long. 145° 20’. 
Another, January 27th, 1914, from 120 fathoms, hard ground, in the Davis Sea, in 
South Lat. 66° 8’ and East Long. 94° 17’. Another, January 29th, 1914, from 325 
fathoms, ooze, off the Shackleton Ice-shelf, in South Lat. 65° 6’ and Hast Long. 96° 13’. 
CUSPIDARIA INFELIX Thiele 
Cuspidaria infelix Thiele, Deutsch. Siidpol. Exped., xiii, 1912, p. 233, pl. xviil., fig. 28. 
_ Four separate and broken valves, January 28th, 1914, from 240 fathoms, ooze, 
off the Shackleton Ice-shelf, in South Lat. 65° 20’ and Hast Long. 95° 27’. 
CusprpaRtA pLicata Tele. 
Cuspidaria plicata Thiele, Deutsch. Siidpol. Exped., xiu., 1912, p. 233, pl. xviii., fig. 30. 
The type of this is only 8mm. long. A series before me includes a perfect shell 
6mm. long, two odd valves about 15mm. long, leading to a large broken specimen which 
is still 30mm., and probably reached 35mm. in length. These were dredged, December 
28th, 1913, in 288 fathoms, ooze, off the Eastern Barrier of Adelie Land, in South Lat. 
66° 55’ and Hast Long. 145° 21’. 
LepromyA PERCONFUSA Iredale. 
Tellina lintea Hutton, Catalogue Marine Mollusca of New Zealand, 1873, p. 67. 
Leptomya lintea Suter, Manual New Zealand Mollusca, 1913, p. 956, pl. liv., fig. 14. 
Leptomya perconfusa Iredale, Trans. N.Z. Inst., xlvii., (1914) 1915, p. 489. 
Three specimens,-June 28th, 1912, from 1 fathom, in Carnley Harbour, Auckland 
Islands. 
