THE NON-MARINE MOLLUSCS OF ESSEX.
By WILFRED MARK WEBB. F.L.S., Editor of the Journal of Malacology.
[Concluded from page 48.]
Sub-Order II.—BASOMATOPHORA.
Family—Auriculidae.
Genus—CARYCHIUM, O. F. Muller, 1774.
Carychium minimum, Muller.
A.—Farnham ; (Ingold) : Epping ; (Newstead): High Beach,
Loughton; (C.S.R., Kew): Roding Meadows; Wan-
stead Park ; (Crouch) : Warley ; (W.M.W.) : Ilford ;
(Woodward after Boyd Dawkins) : Tilbury; (British
Museum): Grays; (Woodward after Morris).
B.—Barfield ; (French) : Coggeshall ; (British Museum) :
Ingrave; Navestock; (W.M.W.) : [Felstead: (French)]:
*Copford ; *Clacton ; Witham ; (British Museum) : Shal-
ford ; (W.M.W.) : Chignal; (Christy, 3) : Roxwell; (R.
Christy).
C.—Saffron Walden ; (S.W. Museum) : Drift of the River
Stour ; (Christy) : Ramsey ; (Sheppard Collection) :
Harwich ; (British Museum).
Genus—MELAMPUS, Montfort. 1810.
Melampus denticulatus, Montagu.
B.—River Colne, Wyvenhoe; (British Museum).
Genus—ALEXIA, Leach, 1847.
Alexia mysotis, Draparnaud.
A.—Grays ; *Purfleet ; (Jenkins).
C.—Dovercourt ; (Adams).
Genus—LEUCONIA, Gray, 1840.
Leuconia bidentatus, Montagu.
B.—Brightlingsea ; (W.M.W.).
C.—Dovercourt ; (Adams).