216 ZoiJorjical Socletij : — 



below, on a plane with labrum above, lower below. Umbilicus, deep 

 and narrow. Labral lamella, slightly and evenly produced. Oper- 

 culum, ? 



Height 0-08, greatest breadth O'l, least breadth 081. 



Named in comphment to Dr. Newcomb, of Albany, N. Y. 



LiNDSLEYA RlISEANA, Cllitty. 



Hab. Near Mr. Channer's, Santa Cruz Park, St. Elizabeth 

 (unique). 



Form, globose-conic. Colour, pale yellow. Sculpture, 13 sharp 

 spiral carinse with I finer in each interspace ; on the upper whorls 

 3 strong with fine intervening. Spire, well elevated, with straight 

 or very slightly concave outlines. Whorls, A\, very much rounded, 

 with a deep suture ; last whorl large. Aperture, sub-semielliptical, 

 slightly expanded, rather flattened above and expanded below. 

 Labrum, double, white, thickened, slightly scolloped and pectinated by 

 8 points, continuous with the labiumj very slightly produced above. 

 Labium, well detached from body-whorl, continuous with labrum, 

 much curved, more so below, very slightly lower than plane of the 

 labrum below. Umbilicus, moderately deep and broad. Labral 

 lamella, very slightly produced. Operculum, ? 



Height 0-049, greatest breadth 0'067, least breadth 0-05. 



Named in compliment to A. H. Riise, Esq., of the Island of St. 

 Thomas, a scientific conchologist, 



LiNDSLEYA POEYANA, Chitty. 



Hab. John Crow Hill, Portland. 



Form, globose-conic. Colour, pale horn, almost white at the 

 aperture. Sculpture, about 18 strong spiral carinse, with here and 

 there 1 fine carina intervening, rather inequidistant ; on the upper 

 whorls 4. Spire, well elevated, with straight outlines. Whorls, 

 4f , scarcely convex, with a very light suture. Aperture, larger than 

 semicircular, rather flattened above, moderately expanded, much on 

 the right below. Labrum, slightly double and very little pectinated 

 by the carinae, produced above and much reflected, scarcely detached 

 from body-whorl. Labium, little detached from body-whorl, straight, 

 except the curve to the right below ; very little below the plane 

 of labrum in the lower part. Umbilicus, moderately deep. Labral 

 lamella, very little produced. Operculum, concave, minutely gra- 

 nulated. 



Height 0-077, greatest breadth O'l 1, least breadth 0-078. 



Named in compliment to M. Felipe Poey, now of the Havanna. 



LiNDSLEYA Henryana, Chitty. 



Hab. Pool's Rock and Halley's Mountain, Hanover. 



Form, globose-conic. Colour, pale horn. Sculpture, 18 blunt 

 coarse spiral carinse, with 1 very fine (about the periphery) inter- 

 vening ; on the upper whorls 7. Spire, well elevated, with straight 

 outlines. Whorls, A\, well rounded, with deep suture. Aperture, 



