74 REPORT ON FORAMINIFERA AND OSTRACODA 



Cytherura rudis, G. S. Brady (Plate VI, fig. 51) 



Cytherura rudis, G. S. Brady, 1868, Ann. Mag. Nat. Hist., ser. 4, vol. ii, p. 34, pi. v, 

 figs. 15-17; Cytherura (?) rudis, G. S. Brady, 1880, Rep. Chall., Zool., pt. iii, p. 132, 

 pi. xxxii, figs. 3a-d. Cytherura rudis, G. S. Brady and Norman, 1889, Trans. Roy. Dubl. 

 Soc, ser. ii, vol. iv, p. 204, pi. xviii, figs. 10-12 ; pi. xix, fig. 21. 



The present occurrence of the above species is most interesting from the point of 

 view that it helps to dispel Dr. Brady's doubt regarding the identity of the 

 Challenger specimens from the Straits of Magellan (55 fathoms) with the original 

 examples obtained by Brady many years earlier from Davis's Straits. The present 

 Antarctic specimen is nearer the Arctic form in outline ; and the rough polygonal 

 sculpturing is intermediate in character between the southern and northern examples 

 recorded by Dr. Brady. The additional localities for this species given by Drs. Brady 

 and Norman are — Godhavn Harbour, Greenland, 5-25 fathoms ; Ginevra Bay, Spitz- 

 bergen ; Smith's Sound, 210 fathoms. Also as a pleistocene fossil at Portland, Co. 

 Maine, U.S.A., and in Scotland, at Loch Gilp. 



Occurrence. — Sample No. 7, 225 fathoms, one valve. 



