312 '• THETIS " SCIENTIFIC RESULTS. 



Family CUSPIDARIIDJE. 



CUSPID ARIA BRAZIERI, Smith, sp. 



Nemra hrazieri, Smith, Chall. Rep., Zool., xiii., 1885, p. 51, pi. ix., 

 f. 3. 



Stations 13, 49. 



A few valves from 41-50 fathoms ofiF Cape Three Points, and 

 from 63-75 fathoms off Port Kembla. 



CUSPID ARIA LATESULCATA, Ten. Woods, sp. 



Necera latesulcata, Ten. Woods, Proc. Linn. Soc. N.S.W.,ii., 1877 

 (1878), p. 123 [not Nece.ra (Rhinomya) latesulcata, Tate, 

 Trans. Roy. Soc. S.A., ix., 1886 (1887), p. 178, pi. xix., f. 7]. 



Leda, sp. nov.. Cox, Proc. Linn. Soc. N.S.W., ii., 1877 (1878), 

 p. 122. 



■Cusjoidaria latesulcata, Hedley, Proc. Linn. Soc. N.S.W., xxvi., 

 1901, p. 20, pi. ii., ff. 11-13. 



Station 49. 



Since Tenison Woods preoccupied the name chosen by Prof. 

 Tate for a Tertiary species, to avoid confusion I now propose for 

 the latter the name of Cuspid aria tatei. 



A broken valve comes from off Port Kembla in 63-75 fathoms. 

 Family CRASSATELLITID^. 



CRASSATELLITES, Kruger. 



CRASSATELLITES SECURIFORME, sp. nov. 



(Fig. 53.) 



Stations 13, 49. 



Shell small, rather flattened, solid, produced, trapezoidal, very 

 inequilateral. Colour yellow-oclue. Sculpture : about eighteen 

 stout, reversely imbricating, concentric ridges traverse the valve, 



