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“TERRA NOVA” EXPEDITION. 
V—SYSTEMATIC ACCOUNT. 
Sub-order MYODOCOPA. 
Family 1.—(TPRIDINIDAE. 
Sub-Family 1.—CYPRIDININAE. 
Genus CODONOCERA, Brady. 
1. Codonocera cruenta, Brady. (Text-fig. 1.) 
2 . J Jf. Codonocera cruenta, Brady, 1902,* p. 188, pi. XXII, figs. 1-10 ; Muller, 19066, p. 25, pi. VIII, 
(isy-ISK Tmtszr. figs. 1 6, 10, pi. IX, tigs. 7, 8; id. 1912, p. 22. 
Stations 110, 111 (N. of New Zealand). Surface. Four specimens. 
Fig. 1.— Codonocera cruenta. Male. A, Right valve, X 19 ; It, Anterior part of shell, x 48. 
Two males and two females were obtained. The males, although undoubtedly 
O J 
to be referred to this species, present some peculiarities. The rostrum bends steeply 
downwards from the dorsal margin, but ends in a point turned slightly forwards. The 
posterior process is wider than in Muller’s figure, and terminates posteriorly in a blunt 
angle. The right and left processes when apposed form a tube or siphon. The 
appendages agree exactly with Muller’s description. 
Sub-Family 2.—PHILOMEDINAE. 
Genus PHILOMEDES, Lilljeborg. 
2. Philomedes ctssnnilis, Brady. 
Philomedes assimilis, Brady, 1907, p. 5, pi. I, figs. 16-21, pi. II, figs. 1-6; Muller, 1908, p. 87, 
pi. VI, figs. 9-17, pi. VII, figs. 14-16 ; id. 1912, p. 31. 
P. antarctica, Brady, 1907, p. 5, pi. Ill, figs. 1-6. 
Stations 317, 351 (Hole in ice, McMurdo Sound). 10 to 175 metres. About ten 
specimens. 
* Names of authors, followed by a date, refer to the “List of References” on p. 188. 
