.Mol.U'SCA, I. SMITH. ,*7 



variety of . I. australis, Sowerby, and I admit that. bevond a difference in coloration. 

 there does not appear to In- aiiv important distinction. 



_':'>. Ain'illii novce-zelandice (Sowerbv). 



Ani-illiirln novse-zelandise, Suwn-liy, Thesaurus Condi.. v<il. Ill, p. Ci.'i. pi. :M.'!. li^. is, r.i < I 859 I. 

 .liK'illti lilcolor: Sutcr. Man. N.X. .Moll., p. C.:!. ],|. XLVI, li-. L'n. 



Station l:',4. ucai- North Cape. New Zealand: II-L'O fatlioms. 



.1. tricolor, Sowerby,* nee Cray, and J. i/n/m. Watson,f are s\uonvm- of this 

 species. My a slip of the pen or misprint Mr. Suter lias nix en ilie name ///,-<//,</ 

 instead of tricvlor. 



24. Marginella muscaria, Lamarck. 



i iiiiisi-uriii, Lamarck, Aniin. sans Vert., vol. VII, p. -">.V.i (isi'L'l : Sutrr. Man. N.X. 

 Moll., p. 463 (for synonymy), pi. XLVI, fig. :>1. 



Station 134, near North Cape. Ne\v Zealand : 11-20 fathoms. 

 Only a single immature specimen. 



25. Columbarium xiifi't-i, n. sp. PI. I, tig. :!0. 



Shell slenderly fusiform, with angular coronate whorls, dirty whitish, with pale 

 brown spots between the short spines which adorn the middle of the whorls: perio- 

 stracum pale straw colour, deciduous ; the two apical whorls large, smooth, obtuse at 

 the top, the rest sloping above the middle, which is prominently rarinate. the keel 

 being produced into short spines or acute tubercles, ten on the last whorl. Melow the 

 keel the volutions are contracted to the suture, which is oblique; alioye the carina. 

 on the last and penultimate whorls, there are three tine spiral threads, and In-low it. 

 on the last whorl, there are three rather coarser threads, below which the rest o| the 

 slender rostrum is covered with oblique, verv much finer threads. The keel has one 

 or two spiral striae upon it, and the whole surface exhibits tine but distinct stria- or 

 lines of growth ; aperture somewhat triangular above, produced below into a ven 

 slender straight canal : outer lip thin, angled at the keel, faintly or shallowly sinuated 

 above it; columella covered with a thin glossy callus, which extends from the tip 

 of the canal to the outer lip above. 



Length, 17 mm. : diameter, G. Aperture, with canal, 11 in length. 



Station 134. near North Cape. New Zealand: 1 1-20 fathoms. 



The unique specimen, judging from the protocondi. is merely the young sla;jc 

 of a shell whieh attains larger dimensions. It consists only of six whorls, but its 

 characters are so striking that I have not hesitated to found a new species upon it. 



In general form it considerably resembles ('. ^/iiiiici/ni<i. Martens, trom Mast 

 Australia, but it differs considerably in the details of its ornamentation. 



* Thesaurus Condi.. \,,l. III. p. 63, pi. I'll. ti-s. !>. Id. 

 | "Challrn-.T" ( iiisti-n ipocl.'i. p. -'311. pi. XVII. li-. II'. 



r _' 



