30 AUSTRALASIAN ANTARCTIC EXPEDITION. 
Occurrence —No. 25 (13th February, 1912), 500 fathoms. No. 29 (14th February, 
1912), 125 fathoms. No. 31 (15th February, 1912), 220 fathoms. No. 13 (14th 
November, 1912), 1,940 fathoms. No. 58 (11th December, 1912), 1,180 fathoms. No. 
60 (12th December, 1912), 1,300 fathoms. 
Genus Kritur, Brady, Crosskey and Robertson. 
KRITHE ANGUSTA Brady and Norman. Plate XX1I, figs. 10, 10a. 
Krithe angusta, Brady and Norman, 1889, Sci. Trans. R. Dubl. Soc., ser. 2, 
vol. IV, No. II, p. 181, pl. XVII, figs. 10-13. 
Krithe prelonga Egger, 1901, Abhandl. d. k. bayer. Ak. Wiss., vol. XXI, pt. I, 
p- 450, pl. IV, figs. 11, 12. 
Krithe angusta Brady and Norman, Chapman, 1910, Journ. Linn. Soc. Lond. 
Zool., vol. XXX, p. 434. 
Observations.—The single right valve found in this sample is regularly narrow 
and smooth, with a gently incurving ventral margin. Since its original discovery in 
Norwegian Seas, K. angusta has been found at Funafuti at depths ranging between 
1,050 and 2,715 fathoms, and Egger found it off Mauritius at 411 metres. 
Occurrence.—No. 11 (13th November, 1912), 1,475 fathoms. 
KRITHE EGGERI Chapman. 
Krithe eggert Chapman, 1914, Proc. R. Soc. Vict., vol. XXVII (N.8.), pt. 1, 
‘p. 42, pl. VIII, figs. 29a, b. 
Observations.—This form was described from fossil specimens of Lower Pliocene 
age from the Mallee Bores in Victoria. 
It has a narrow carapace seen from the side, and a conspicuously flanged 
anterior border. 
Occurrence.—Additional sample (8rd September, 1912), 706 fathoms. 
KrirHe propucta G. S. Brady. 
Krithe producta G. 8. Brady, 1880, Rep. Chall. Zool., vol. I, pt. II, p. 114, 
pl. XXVII, figs. la-j. Brady and Norman, 1889, Sci. Trans. R. Dubl. Soc., ser. 2, 
vol. IV, No. II, p. 180, pl. XVII, figs. 5-7. Egger, 1901, Abhandl. d. k. bayer. Ak. 
Wiss., vol. XXIJ, pt. IT, p. 451, pl. IV, figs. 17, 18. Chapman, 1902, Journ. Linn. Soc. 
Lond. Zool., vol. XXVIII, p. 427. Idem, 1910, ibid, vol. XXX, p. 434. Idem, 1915, 
Sci. Res. “ Endeavour,” vol. III, pt. I, p. 54. 
Observations —This deep-water form is well represented from many localities in 
this series of soundings. It does not appear to have been previously found so close 
to the ice-barrier as in samples 127 and 139. 
Occurrence.—(?) No. I (26th May, 1912), 2,590 fathoms. Additional sample 
(3rd September, 1912), 706 fathoms. No. 40 (Ist December, 1912), 2,610 fathoms. 
No. 42 (5th December, 1912), 1,076 fathoms. No. 56 (11th December, 1912), 675 
