444 MOLLUSOA FROM THE HOPE ISLANDS, N. QUEENSLAND, 



OdOSTOMIA ABJECTA, 11. sp. 



(Plate xli., fig.62.) 



Shell small, solid, oblong, imperforate. Colour uniform buff. 

 Whorls four, and a heterostrophe protoconch, last whorl about 

 ^qual to the remainder. Suture deep. Surface smooth but dull. 

 Aperture ovate, bent in towards the axis, rounded anteriorly. 

 Plication invisible externally. Length 1-65; breadth 0-7 mm. 



Several specimens from 5-10 fathoms, off the Hope Islands. 



Odostomia adipata, u sp. 

 (Plate xlii.,fig.73.) 



Shell small, solid, ovate, imperforate, smooth and glossy. 

 Colour white. Whorls three, plus a half-inmiersed heterostrophe 

 protoconch, round, slightly shouldered at the summit, rapidly 

 increasing, the last more than half the shell. Aperture large, 

 ovate, eff'use anteriorly, columellar margin reflected, fold slight 

 and very oblique. Length 1-9; breadth 1-05 mm, 



A few specimens, from 5-10 fathoms, off the Hope Islands. 



Odostomia anxia, n.sp. 

 (Plate xli., fig.eS.) 



Shell small, rather solid, oblong, variable in shape, smooth and 

 glossy, imperforate. Colour white. Whorls three, and a deeply 

 immersed heterostrophe protoconch, rapidly increasing, rounded, 

 the last three-quarters of the total length. Aperture veiy large, 

 subauriculate, lip thickened and reflected columellar fold dege- 

 nerate. Length 1-95; breadth 1*2 mm. 



Three specimens, from 5-10 fathoms, off the Hope Islands. 



Odostomia articulata, n.sp. 



(Plate xli., figs.64-65.) 



Shell small, .slender-conical. Colour dull white. Whorls 

 flattened, parted by deep sutures, seven and one-half, \vith a 



