320 



" THETIS " SCIBNTIPIC RESULTS. 



Family CRYPTODONTID^. 



A X I N U S, Sotverhy. 



AXINUS FLEXU0SU8, Montagu, sp. 



Tellina Jlexuosa, Mont., Test. Brit., 1803, p. 72 ; Cryptodon 

 Jiexuosics, Brazier, Proc. Linn. Soc. N.S.W., (2), ix., 1894 

 (1895), p. 725. 



Stations 13, 49. 



A few separate valves at each locality from off Port Kembla 

 in 63-75 fathoms and off Cape Three Points in 41-50 fathoms. 



Family LEPTONID^. 



ROCHEFORTIA, Velain. 



ROCHEFORTIA LACTEA, sp. nov. 



(Fig. 59.) 



Stations 13, 49. 



Shell small, thin, translucent, oblong, moderately inflated, very 

 inequilateral, the anterior being three times the length of the 



posterior side. Colour milk- 

 white, with translucent zones. 

 Dorsal margin straight, anterior 

 end rounded, ventral margin 

 arcuate, dorsal margin steeply 

 descending, then rounded. 

 Sculpture : fine regular incre- 

 mental lines. Hinge of right 

 valve with a long strong an- 

 terior and a small weak pos- 

 terior cardinal ; left valve 

 notched above the chondro- 

 phore. Beaks inconspicuous. 

 Length, 3 ; height, 1 -9 mm. 



ROCHEFORTIA liACI'KA. 



Fig. 59. 



Numerous separate valves from off Poi-t Kembla in 03-75 

 fathoms, and off Cape Three Points in 41-50 fathoms. 



