144 Zoological Society : — 



thickened. Umbilicus, narrow and deep, well covered by the lahral 

 lamella. Operculum, 1 



Height 0-057, greatest breadth 0-084, least breadth 0-067. 



Named in compliment to Dr. iiadrew Sinclair, R.N., late Colonial 

 Secretary ot' New Zealand. 



Metcalfeia Mitchelliana, Chitty. 



Hah. IMavoon Town, St. James (unique). 



Form, depressed conic. Colour, pale horn. Sculpture, 15 strong 

 spiral cariuije, rather inequidistant, with one very fine intervening, 

 and about the periphery sometimes two and sometimes three fine 

 carince : at the periphery the two strong carinre are widest apart, 

 with three fine intervening ; the next division below has one fine 

 only, and the next below, two ; on the upper whorls four strong ca- 

 rinse. Spire, slightly elevated, with rather concave outlines. WJwrls, 

 A\, slightly roimded, with a moderate suture ; last whorl expanded 

 above and falling av/ay below. Aperture, semicircular, much di- 

 lated below the periphery. Labi'um, very slightly pectinated by the 

 strong carina, very slightly produced above. Labium, on a plane 

 with the labrum above, much lower below ; slightly curved to the 

 right below, moderately detached from the body-whorl. Umbilicus, 

 deep, little affected by the labral lamella. Operculum, ? 



Height 0-07, greatest breadth 0-095, least breadth 0-077. 



Named in compliment to D. W. Mitchell, Esq., the energetic Se- 

 cretary of the Zoological Society of London. 



Metcalfeia Dohrniana, Chitty. 



Hab. Pedro District, St. Ann's. 



Form, depressed conic. Colour, pale horn. Sculpture, 4 strong 

 spiral carinse and I fine, 1 strong and 1 fine, 1 strong and 3 fine, 

 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. Sjjire, 

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

 rounded with a moderate suture. Jp)erture, 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. Opercuhim, ? 



Height 0-052, greatest breadth 0-079, least breadth O'OGl. 



Named in compliment to Hcrr Heiurich Dohrn, of Stettin, a 

 zealous young conchologist. 



Metcalfeia Layardiana, Chitty. 



Hah. ? Westmoreland, 



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

 about 25 and slightly unequally raised, inequidistant spiral carinoe ; 

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



