M(»t,l,USf,'A — IIKDLKV. 



321 



E 11 Y C 1 N A, Lamarck. 



ERYCINA ACUPUNCTA, sp. nov. 



(Kig. (iO.) 



Stations 13, 19. 



1, ohloiiii' ; (loi'sal margins straight, ends 



Shell small, inllat 

 i-ounded ; ventral margin 

 straight ; beaks not promi- 

 nent; rather solid ; milk-white, 

 with translucent zones ; the 

 antei'ior side slightly exceeding 

 the posterior. The whole of 

 the external surface is covered 

 like a thimble with fine punc- 

 tures, arranged in curved ob- 

 lique lines of the pattern called 

 "engine turned." In each 

 valve a cardinal, and anterior 

 and posterior lateral. Height, 

 1'25 ; length, 2-1 mm. 



A few separate valves from 

 oft' Cape Three Points in 41-50 

 fathoms, and off Port Kembla 

 in 63-75 fathoms. 



ErYCINA ACUPUNCTA. 



Fig. 60. 



CYAMIUM, Fhilippi. 

 CYAMIUM MACTROIDES, Tate ct May. 



Gyamiutn mactroides. Tate & May, Trans. Roy. >^oc. S.A., xxiv., 

 1900, p. 102; Id., Proc. Linn. Soc. N.S.W., xxvi., 1901, 

 pi. xxvii., f. 103. 



Station 49. 



A few separate valves from off" Port Kembla in 63-75 fathoms. 

 L A S ^ A, Leach. 

 LAS^A SCALARIS, rUlippi, sp. 



Poronia scalaris, Philippi, Zeit. f. Malak., iv., 1847, p. 72; Id., 

 Angas, Proc. Zool. Soc, 1867, p. 926. 



P. parreyssi, Philippi, op. cit., p. 73. 



P. pitrprirata, Philippi, op. cit., p. 73. 



