Murdoch and Suter. — Results of Dredging. 2f : 9 



24. Vulpecula (Pusia) biconica, n. sp. Plate XXIII, fig. 22. 



Shell very small, biconical, imperforate, a row of nodules on 

 the lower whorls, suture margined, aperture narrow, with four 

 columellar plaits. Sculpture : On the third to fifth whorls there 

 are oblique longitudinal costse, produced into nodules on the 

 angle of the whorls, below the suture a broad rim, under the 

 nodules of the last whorl two very fine spiral threads and several 

 more towards the base. Colour white, with fulvous on the 

 nodules of the first half of the last whorl, continued in broad 

 zigzag lines down to the base on the second half. Spire conoidal, 

 about half the length of the shell, obtuse. Protoconch formed 

 by one and a half whorls only, papillate, smooth, glossy ; nucleus 

 slightly excentric, broadly convex. Whorls 5, rather rapidly 

 increasing, shouldered with about fourteen short nodulous ribs, 

 disappearing shortly before reaching the outer lip ; base regu- 

 larly attenuated. Suture distinct, slightly impressed, broadly 

 margined below. Aperture somewhat oblique, narrow, with sub- 

 parallel sides, slightly channelled above, produced at the base 

 into a very short broad convexly truncated canal. Outer lip 

 damaged in both specimens, thin. Inner lip forming a white- 

 enamel layer of moderate width on the concave body and on the 

 columella, which is a little oblique and bears four plaits, the 

 first and second nearly horizontal, the following two oblique ; 

 they slightly increase in size from the base upwards. Alti- 

 tude, 5 mm. ; diameter, 2 "8 mm. Aperture : length, 2 - 5 mm. ; 

 breadth, 0"6 mm. 



Type in the Colonial Museum, Wellington. 



Obs. A small number of this beautiful shell were obtained. 

 It is much smaller than V. rubiginosa and planata, and at once 

 distinguished by its nodulous ornamentation and the colour- 

 markings, recalling Alcithoe. 



25. Marginella fusula, n. sp. Plate XXIII, figs. 23, 24. 



Shell small, rather thin, oval-conic, smooth and glossy, and 

 with a much produced spire. Sculpture consisting of low rounded 

 growth-periods, numerous and irregular, usually more marked on 

 the last half-volution. Colour white, or with a faint yellow 

 tinge ; occasionally some indistinct brown markings which form 

 two spots on the outer lip, and seem to indicate the presence of 

 two brown spiral bands on the body-whorl in fresh specimens. 

 Spire produced, a little shorter than the aperture, conical, with 

 an obtuse rounded apex. Protoconch paucispiral, smooth, 

 rounded, nucleus depressed. Whorls 4, flatly convex, the last 

 produced and narrowed anteriorly, with a slight but distinct 

 swelling which proceeds as a pad from opposite the posterior 



10— Trans. 



