Aug., 1889. 
BRITISH SHELLS. 
19B 
Sub-genns XXYI. —Tubaria. 
246. Ag. furfuraceus, Pers. Ag. circumseptus, With. On 
chips in hedges, etc. Aug.-Oct. Edgbaston, in pasture 
lands, With., 244. Crackley Wood, and garden near 
Kenilworth, Bussell, Illustr. Fields, Ansty, Adams. 
Sutton; Tnckley Coppice; New Park, Middleton; 
Olton; Marston Green ; Coleshill Heath ; Shustoke. 
(To be continued.) 
DESCRIPTIONS OF TWO NEW VARIETIES OF BRITISH 
SHELLS— HELIX HISPIDA VAR. ELEVATA AND 
LIMN.EA PEBEGBA VAR. CONVOLUTA. 
BY JOSEPH W. WILLIAMS. 
The following two new varieties of shells which have come 
into my hands have, I believe, not been described as yet in 
either our home or Continental literature. They are both 
well-marked and interesting examples of the amount of change 
in structural conformation of shell to which some of our 
mollusca are liable. 
Helix hispida var. elevata. —Width, 5 mill.; height, 4*5 mill. 
Shell small, brown, hispid. Spire flat, compressed, raised 
like a dais above the body-whorl; suture between the body- 
wliorl and the adjacent whorl very deep, canaliculate; umbilicus 
very small; aperture sublunate. Looking at the shell from 
the aperture, it has, in some degree, the appearance of the shell 
of Valvata piscinalis (Mull), with the apical whorls of the spire 
depressed. Sent to the describer for the purpose of naming 
by Mr. A. E. Baker, of Leicester. 
Locality.—Evington. 
Limncea peregra var. convoluta .—Length, 12 mill. ; width, 
12-5 mill. ; length of aperture, 15 mill.; width, 11 mill. Shell 
small, ampullaceous, horn-colour, sculpture somewhat pro¬ 
minently plicate. Aperture suboval, patulous, convolute, quite 
concealing the spire; labrum inflected so as to become sulcate. 
Well marked on the outside of the shell with growtli-varices. 
Collected by the author. 
Locality.—Hillage Pool, Stourport, Worcestershire. 
This variety somewhat reminds one in general form of what 
Hartmann, in 1842, described as Gulnaria ampla, now known 
as a variety of Limncea auricularia (Linn.). It is, however, 
decidedly a form of Limnaa peregra, not taking into account 
the fact that L. auricularia does not occur in, or anywhere 
near, Hillage Pool. 
35, Mitton, Stourport. 
