318 CYLICHNA. 



C. ARACHIS Quoy & Gaimard. PI. 27, figs. 92, 93. 



Shell solid, long cylindrical, transversely very delicately striated ; 

 white, covered with a cinnamon colored epidermis ; spire perforated. 

 Alt. 8, diarn. 3 lines (Q. & <?.). 



King George's Sound (Q. & G.) ; Tasmania (Tenison-Woods) ; 

 Port Jackson, N. S. Wales (Angas, Coppinger, Challenger, et al.) ; 

 Cape York and New Guinea (Brazier). 



Bulla arachis Q. & G., Voy. de 1'Astrol. Zool. ii, p. 361, pi. 26, f. 

 28-30. Bulla (Cylichna) arachis AD., in Thes. ii, p. 590, pi. 125, f. 

 133, 134. Cylichna arachis ANGAS, P. Z. S. 1867, p. 226. BRA- 

 ZIER, P. L. S. N. S. W. ii, p. 79. SMITH, Zool. Coll. Alert, p. 86. 

 WATSON, Challenger Rep. Gastr. p. 662. Cylichna regularis GLD., 

 Proc. Bost. Soc. N. H. vii, p. 141 ; Otia, p. 113. Conf. TENISON- 

 WOODS, Proc. Linn. Soc. N. S. Wales ii, p. 256. 



C. ATKINSONI Tenison-Woods. 



Shell small, cylindrical, narrow, thin, ferruginous, spire umbili- 

 cate, hidden, very slenderly lengthwise and transversely striate. 

 Sordid white, outer lip thin, acute, drawn in at the middle, and sub- 

 dilate anteriorly ; inner lip narrow, reflexed (T.-W.). 



Alt. 4*, diam. 2 mill. 



Long Bay, Tasmania. 



C. atkinsoni. T.-W., Papers and Proc. and Rep. Roy. Soc. Tasm. 

 for 1875, p. 156 (1876). 



A very small shell, brought up occasionally by- the dredge from 

 10 fathoms ; sandy bottom. The other Tasmanian species is C. 

 arachis, which is Australian also. In its young state it can always 

 be distinguished from theforegoing by the dense undulating trans- 

 verse striae with which it is covered (IMF.). 



C. ELEGANS Angas. PI. 27, fig. 89. 



Shell elongately ovate, umbilicated, rather thin, white, irregular- 

 ly and faintly longitudinally striated, the stride more distinct and 

 equal near the apex, transversely ornamented with numerous rows 

 of very fine close set, crenate, interrupted lines, which, together 

 with the longitudinal striae, become very nearly obsolete towards 

 the center ; apex perforate, somewhat tumid around the perforation ; 

 aperture narrow above, wider below ; outer lip thin, simple ; colu- 

 mella short, smooth, very slightly expanded over the umbilicus. 

 Length 6, breadth 3 lines (Ang.). 



Port Stephens, N. S. Wales, Australia (Brazier). 



