38 Frederick Chapman : 



" Challenger '' specimens came from Heard Island in the Southern- 

 Ocean, at 150 fathoms. Cy there normani was also recorded as a 

 fossil by Dr. Brady, from a well-sinking in the Murray Flats of 

 South Australia,! in beds of later Tertiary age. I have lately 

 recorded this species from a raised beach (Pleistocene) on the slopes 

 of Mount Erebus in the Antarctic, from material collected on the 

 Shackleton Expedition. 



Occurrence. — Bore 10, 310-320 feet (Kalimnan or Janjukian). 

 Bore 11, 444-446 feet; 446-448 feet (Janjukian). 



Cythere obtusalata, G. S. Brady. (Plate VII., Fig. 20). 



Cythere ohtusalata, G. S. Brady, 1880, Rep. Chall. Zool., 

 vol. i., pt. iii., p. 91, pi. xii., figs. lo-o. 



Observations. — It is interesting to record this striking little^ 

 species foi- the first time from a fossil deposit, at an horizon near 

 the junction of the Janjukian and Kalimnan beds. 



As a recent species C . ohtusalata has been recorded from off E. 

 Moncoeur Island, Bass Strait, at 38-40 fathoms, and off the- 

 Admiralty Islands at 16-25 fathoms (G. S. Brady), .l^so from 

 Kerguelen Island at 104 metres; near W. Africa at 677 metres; off" 

 Monrovia, W. Africa at 18 metres, and near Mauritius at 411 

 metres (J. G. Egger). 



The fossil specimens are closely comparable with the recent 

 forms figured by Dr. Brady. 



Occurrence. — Bore 9, 256-263 feet (Kalimnan or Janjukian). 

 Bore 11, 442-444 -feet; 446-448 feet (Janjukian). 



Cythere ovalis, G. S Brady. (Plate VII., Fig. 21). 



Cythere ovalis, G. S. Brady. 1880, Rep. Chall. Zool.. vol. 

 i.. pt. iii., p. 66, pi. xiv.. figs. ia-d. 



Obser nations. — This species was originally recorded from recent 

 dredgings off Booby Island, Torres Sti-ait at 6-8 fathoms. 



The fossil specimen here figured comes from a Janjukian horizon 

 (Miocene). It is closely comparable with the living form, only 

 slightly differing in the more regular polygonal surface-pittings, 

 and in the absence of short spines at the posterior extremity. 



Occurrence.— Bore 11, 267-270 feet (Janjukian). 



