72 THE NON-MARINE MOLLUSCS OF ESSEX.
orbis nitidus is recorded, but it was afterwards struck
out) : Coggeshall; (British Museum) : *West Bergholt ;
(Laver Coll.): Colchester ; (Laver): Chignal; (Christy):
Chelmsford ; (C.S.R., Ashford) : Copford; Raine; (British
Museum) ; Clacton ; (K. and W.).
C.—Saffron Walden ; (C.S.R., Ashford) : Ramsey Decoy
Pond ; (Sheppard and Collection).
Planorbis lineatus, Walker (=nitidus, Muller in part).
A.—Hatfield; (Hughes): River Roding ; (Crouch): Ilford;
(British Museum) ; Grays ; (Woodward after S. V. Wood).
B.—Clacton ; (K. and W.).
C.—River Stour; (Laver has seen shells from this river).
Family—Physidae.
Genus—PHYSA, Draparnaud, 1801.
Physa fontinalis, Linne.
A.—Bishop's Stortford; (Ingold): Hatfield Forest; (E.N.,
vol. iv., p. 223) : Wanstead Park; River Roding;
Abridge ; (Newstead) : Fern Hall ; Whip's Cross ;
(Crouch) : Canning Tenon ; (K. and W.) : Walthamstow ;
(British Museum).
B.—River Colne, Halstead ; (Adams) : Pond in Park
Meadows, Felstead ; (French) : Coggeshall; (Turner) :
Colchester ; (British Museum and Laver) : Witham ;
(Turner) : River Chelmer and Beeleigh Mill; (E.N., vol.
v., p. 253) : River Cann, Chelmsford ; (W.M.W.).
(J The specimens from Chignal were Physa hypnorum.—
W.M.W.); Clacton; (K. and W.).
C.—Saffron Walden ; (S.W. Museum).
Physa hypnorum, Linne.
A.—[‡Given by Ingold for Bishop's Stortford, but not taken
by Hughes.] Barking Side ; (Crouch) : Lea Valley ;
(K. and W.).
B.—Mill Lands Brook, Felstead ; (French) : Little Tey ;
(Adams) : *Colchester ; (Laver) : Frating ; (British
Museum) : Chignal ; (Christy) : *Copford ; (British
Museum): Shalford; (W.M.W.) : *†Chignal; (Christy, 3):
Roxwell; (R. Christy).
C.—Wrabness and Ramsey ; (Sheppard Collection).