183 



1 strong and 2 fine, and 1 strong and 3 fine, 1 strong, then 8 strong 

 with fine intervening ; on the upper whorls, 5 spiral carinse. Spire, 

 slightly elevated, with concave outlines. Whorls, 4, very slightly 

 rounded with a moderate suture. Aperture, more than a semicircle, 

 moderately expanded, very oblique. Labrum, moderately produced 

 above, reflected, much pectinated by the strong spiral carinse. La- 

 bium, well detached from the body whorl, curved to the right below, 

 straight above, almost on a plane with the labrum. Umbilicus, deep 

 and moderately broad. Labral lamella, strong, sharp and expand- 

 ing, with a projecting angular point a little below its junction with 

 the labrum. Operculum, ? 



Height 0-052, greatest breadth 0-079, least breadth 0-061. 



Named in compliment to Herr Heinrich Dohrn, of Stettin, a 

 zealous young conchologist. 



Metcalfeia Layardiana, Chitty. 



Hab. ? Westmoreland. 



Form, depressed conic. Colour, rich light brown. Sculpture, 

 about 25, slightly, unequally raised, inequidistant spiral carinse ; on 

 the upper whorls 6 or 7. Spire, moderately elevated, with rather 

 concave outlines. Whorls, 4\, moderately rounded, with a mode- 

 rate suture ; last whorl well rounded. Aperture, moderately ob- 

 lique, very moderately expanded and slightly deflected below, semi- 

 circular. Labrum, slightly produced above in a curved line, pecti- 

 nated by about 15 of the spiral carinse. Labium, moderately de- 

 tached from the body-whorl, rather serpentine above and much 

 curved to the right below. Umbilicus, deep and narrow. Labral 

 lamella, but slightly expanded. Operculum, slightly concave, with 

 about six horizontal raised lamellse, nearly parallel above, but con- 

 verging towards the umbilicus below, strong on the labial side, and 

 faintly crossing over the labial side and covering the labium, with, on 

 that side, others intervening. 



Height 0-062, greatest breadth 0*086, least breadth 0-069. 



Named in compliment to E. L. Layard, Esq., late of Ceylon, now 

 Curator of the Museum, Cape Town, Cape of Good Hope. 



Metcalfeia Swiftiana, Chitty. 



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

 (unique). 



Form, depressed conic. Colour, pale horn, light brown at apex. 

 Sculpture, 28 irregularly strong and inequidistant spiral carinse ; on 

 the upper whorls 6. Spire, moderately elevated, with slightly concave 

 outlines. Whorls, 4£, moderately rounded, with a deep suture ; 

 last rather large. Aperture, slightly constricted and very slightly 

 expanded at its margin ; semicircular ; slightly depressed above and 

 slightly expanded below. Labrum, very slightly produced above ; 

 very slightly pectinated externally by, more or less, all the carinse ; 

 smooth and white and shining at its extreme margin. Labium, well 

 detached from body-whorl, on a plane with the labrum ; much curved 



