Crossed.] GASTROPODA. 325 



Diameter, 1-94 mm. ; height, 1-97 mm. (type). 



Animal unknown. 



Type in the Dominion Museum, Wellington. 



Hob. Whangaroa Harbour, type (C. Traill) ; Stewart Island and 

 Foveaux Strait, in 15 fathoms ; off Otago Heads, dredged (A. Hamil- 

 ton) ; Dusky Sound, in 30 fathoms (R. Henry) ; near the Snares, in 

 50 fathoms (Captain Bollons). 



3. Crossea labiata, T.-Woods, 1876. Plate 16, fig. 4. 



Crossea labiata, T.-Woods, P.R.S. Tas., 1875 (1876), 151 ; Hedley, P.L.S. 

 N.S.W., 1900, 500, pi. 26, f. 18 ; Tate and May, I.e., 1901, 379 ; Verco, 

 T.R.S. S.Aust., 1906, 149. 



Shell small, globosely turbinate, narrowly umbilicate, somewhat 

 solid. Sculpture consisting of equidistant spiral liroe, which are flat, 

 with narrower interspaces, and crossed by very fine arcuate growth- 

 lines ; there is a narrow smooth zone above the umbilical rim, but the 

 spiral sculpture is present in the umbilicus. Colour horny, sometimes 

 white. Spire conoidal, height a little less than that of the aperture ; 

 outlines somewhat convex. Protoconch small, of 1J smooth whorls, 

 obtuse. Whorls 5, convex, the last very large in proportion ; base 

 flatly rounded. Suture distinct. Aperture ovate, angled above, and 

 with a canaliculate angular projection below. Peristome continuous. 

 Outer lip subreflexed, and in quite adult specimens with a fringe-like 

 varix outside. Columella vertical, slightly arcuate, narrowed toward 

 the base. Inner lip spreading only a short distance beyond the 

 columella, and narrowing a little the small umbilical perforation. 

 Umbilicus margined with a round smooth callus, sometimes subcrenu- 

 lated by a few axial folds. Operculum unknown. 



Diameter, 2-5 mm. ; height, 3-5 mm. The type measures 2 mm. by 

 4 mm. 



Animal unknown. 



Type in the Tasmanian Museum, Hobart. 



Hab. Near Little Barrier Island, in 20 fathoms (R. H. Shake- 

 spear) ; Taumaki Island, west coast of the South Island, in 10 fathoms 

 (Captain Bollons). Also in Tasmania and Australia, in 5 to 10 fathoms. 

 The type is from Long Bay, Tasmania, 10 fathoms, sand. 



Genus 3. ACLIS, Loven, 1846. 



Aclis, Loven, Ind. Moll. Scand., 1846, 16. Type : A. supranitida, Wood. 

 Ebala, Gray. 



Animal having a long retractile proboscis ; the tentacles close 

 together at the base, slender, cylindrical, eyes sessile at their external 

 bases ; foot truncate ; mentum narrower than the sole, and extending 

 far beyond the head ; operculigerous lobe ample, unsymmetrical. 

 Radula of numerous simple aculeiform teeth. 



