The Hon. E. Chitty on the Stoastomidre. 219 



5 J, well rounded, with a deep suture. Aperture, less than a semi- 

 circle, very slij;litly spreading, and very slightly deflected helow. 

 Lafjnnii, slightly separated from hody-whorl, rather produced ahove, 

 in a broad notch, pectinated l)y about 1.") of the strong carinse. La- 

 tjiiiiii, well detached fVoni body-whorl, curved inwards, more so 

 below ; thickened and retlected in the centre and its lower end to- 

 wards the undjilicus. Laljriim and lubiuiii continuous above ; luljiuin 

 on a plane with labrum below. Umbi/icus, deep. Lahi-al lamella, 

 sharply produced as it leaves the labrum, becoming narrow, and 

 abruptlv lost in the umbilicus. Operculum, 1 



Height 0-U81, greatest breadth ()-]5, least breadth 0-082. 



Named in compliment to Seiior Don Nicolas Jose Gutierez, Curator 

 of the Museum at the Havanna. 



LiNDSLKYA OWKNIANA, Chitty. 



Hah. Yallahs Hill. 



Form, gloljose-conic. Colour, pale horn. Sculpture, 19 strong, 

 rather inecpiidistant spiral carinse ; on the upper whorls 6. Striae 

 of growth visible. Spire, moderately elevated, with rather concave 

 outlines. U'horls, A\, well rounded, with a deep suture. Aperture, 

 semicircular, rather flattened above, slightly expanded in the lower 

 two-thirds. Labrum, rather produced above, not reflected, thin, 

 strongly pectinated by spiral carinae. Labium, rather detached from 

 body- whorl, gradually curved to the right below. Umbilicus, ra- 

 ther deep and broad, slightly hidden by the labral lamella, which 

 is but little produced. Operculum, concave, finely granulated, with, 

 on the labral side extending half across, 5 horizontal raised lamellae 

 converging towards the umbilicus, the margins of which are covered 

 with fine granulations giving the appearance of serration ; lower 

 third laps tightly over the labium, grooved horizontally, and then 

 finished by a Ihiguiform, raised, folding projection. 



Height*0069, greatest breadth 0-094, least breadth 0-073. 



Named in conapliment to Professor Owen. 



LiNDSLEYA WoLLASTONIANA, Chitty. 



Hub. ? Hanover. 



Form, globose-discoidal. Colour, white, semitransparent. Sculp- 

 ture, ahont 31 very fine inequidistant, irregular, spiral, raised carinae, 

 about 8 rather stronger than the rest ; on the upper whorls 8. 

 Spire, slightly raised, with convex outlines. Jf'lwrls, '6^, very 

 moderately rounded, with a light suture. Aperture, slightly con- 

 stricted behind labrum, and then slightly expanded, semicircular. 

 Labrum, very little produced above, thickened and reflected and very 

 slightly pectinated liy the stronger carinae. Labium, well detached 

 from the body-whorl, moderately curved below, on a plane with the 

 labrum. Umbilicus, moderately deep and wide. Labral lamella, 

 narrow and sharp. Operculum, slightly concave, plain and smooth, 

 except a few coarse granulations. 



Height 0-036, greatest breadth 0-064, least breadth 0-0.'). 



