12 PROCEKDINGS OF THE MALACOLOGICAL SOCIETY. 



L1MN.EA PEREGER SIKESI, n.Subsp. 



Shell oljloiig-oviite, thin, yellowisli -brown horn-colour; whorls 4, 

 the first three small, not much, exserted, regularly increasing, the 

 last very large, smooth but for lines ot growth ; suture impressed ; 

 coliimella-margiu very obliquely descending, a little bulging above, 

 and diffused into a tliin, ill-defined, parietal callus which reaches to 

 the upper margin of the labrum ; labrum acute above, a little dilated 

 at the base; aperture oblong-ovate. Alt. 20mm.; diam. maj. 13, 

 min. 9'5 mm. Aperture: alt. 16, diani. 10 mm. 



Hah. — Rautharvatn, S.W. Iceland. 



Type in the British Museum, presented by Mr. Sikes. The ]\Iuseum 

 is also greatly indebted to him for his very fine and extensive 

 collection of British land and freshwater shells, which he most 

 liberally presented last vear. 



