AND OSTKACODA COLLECTED ROUND FUKAFUTI. 427 



occurred off Bermudas at 435 fathoms. Egger records it from several 

 localities in the S. Atlantic and the Indian Ocean. 



Occurrence. — Sta. 10, 1485 £ms. One typical specimen. 



PONTOCYPRIS ATTENUATE, G. S. Brady. 



Pontocypris attenuata, G. S. Brady ('68^), p. 179, pi. 4. figs. 11-14 ; id. {'80), p. 38, pi. 15. 

 figs. '■2a-d; id. ('90), p. 49, pi. 1. figs. 3, 4; Chapman ('02^), p. 419. 



This was formerly known as a typically shallow-water species until speci- 

 mens were obtained round Funafuti at 150 and 200 fathoms. 



Occurrence. — Sta. 20, 1215 fms. One example, having an acuminate 

 posterior. 



PoNTOCYPRTS GRACILIS, G. S. Brady. 



Pontocyims gracilis, G. S. Brady ('90), p. 491, pi. 1. figs. 5, 6. 



Prof. Stewardson Brady^s localities for the original species are Levuka, 

 and Rambe Island, S. Seas, between tide-marks. 



The present specimens are in nearly all particulars similar to Brady's 

 described examples. 



Occurrence. — Sta. 20, 1215 fms. 



PONTOCYPRIS (?) FABA, Beuss, Sp. 



Bairdia faba, Reuss ('55), p. 178, pL 10. fig. 2. 



Pontocypris f aba, Heuss, sp. ; G. S. Brady ('78), p. 382, pi. 63. figs. 6 a-e. 



P. (?) faba, Reuss, sp., id. ('80), p. 37, pi. 1. figs. ia-d. 



P. faba, Reuss, sp.; Egger ('01), p. 420, pi. 4. figs. 44, 45. 



Previously found by Dr. Bradv only in shallow water lin the Southern 

 Ocean and the South Pacific. 



Occurrence. — Sta. 13, 1050 fms. Two left valves. 



PoNTOCYPRls DAVIDIANA, sp. nov. (Plate 56. figs. 17a, h.) 



Description. — Carapace somewhat compressed, siliquose. Seen from the 

 side, elongate, subtriuiigular and strongly curved ; highest in front, sharply 

 attenuated behind ; dorsal margin evenly curved, ventral margin nearly 

 straight from a little in front of the middle to the posterior angle ; anterior 

 border boldly rounded. In edge view thickest in the middle. Surface 

 smooth. Length "875 mm. ; greatest height "354 mm. 



This is a very distinct and elegant form. It differs from P. gracilis in the 

 strong curvature and broad anterior extremity, and from P. sicula in the 

 gradually increasing width from point to head. I have much pleasure in 

 naming this species in honour of Prof. David, F.R.S., who carried out the 

 boring at Funafuti to so successful an issue. 



Occurrence. — Sta. 13, 1050 fms. 



