W. D. ROEBUCK : LINXOLNSHIRE MOLLUSCA. 



North lincolnsMre. — Among chalk debris at Claxby, Alford, several, September 

 i6th. 18S5 I (J. E. Mason). Rejectamenta of Main Drain, Chapel, August 

 1886, one 1 (J. E. Mason). Tothhy, near Alford, a few, April 14th, 1886! 

 (W. D.R.). Donington-on-Bain, one! (H. W. Kew, 19, viii, 86). Farles- 

 thorpe, one. May 25th, 1887 ! (J. E. Mason). Greenfield Wood, Ail by parish, 

 a few, June 8th, 1887 1 (J. E. Mason). Rigsby, two, March 3rd, 1887 ! 

 (Isabel Mason). London Road, Louth, one 1 (H. W. Kew, 7, vi, 87). 



Helix Mspida L. 



An abundant species and well spread round Louth, Alford, 

 Sutton-in-the-]\Iarsh, and in South Lincolnshire at Anwick, Ancaster, 

 and Uffington. 



North Lincolnshire. — Among chalk debris, Claxby, near Alford. numerous, Sep- 

 tember i6th, 1885 (J. E. Mason). Mason's farm-yard, Rigsby, near Alford, 

 two, one a large specimen, April 14th, 1886 (W.U.R.). Well Vale, near Alford, 

 plentiful. April 14th, 1886 (W.D.R.). Tothby, near Alford, several, April 

 14th, 1886 (W.D.R.). Sides of canal at Louth, plentiful, April 15th, 1886 

 (W.D.R. ). Well footpaih, Alford, a few, April 26th, 1886 (J. E. Mason). 

 Muckton Wood, near Louth, plentiful. April 15th, 1886 (W.D.R.). Haugham 

 Wood, near Louth, a few, April 14th, 1886 (W.D.R. ). Sutton-in-the-Marsh, 

 sandhills, a few, April i6th, 1S86 (W.D.R.). Sloothby, near Alford, a iew, 

 August 4th, 1886 (I. E. Mason). Burweli, near Louth, roadsides, jDlentiful, 

 April 15th, 1886 (W.D.R.). The Park. Eilsby. a few, May 5th, 1S86 (J. E. 

 Mason). Haugham Pasture, near Louth, one ! (PL W. Kew, 13, v, 87). 

 Rejectamenta of Main Drain, Chapel, one. August 20th, 1886 (J. E. Mason). 

 Farlesthorpe, one. May 25th, 1887 I (J. E. ]\Iason). Hubbard's Valley, near 

 Louth, one! (H. W. Kew, 13, v, 87). South Elkington brick-field, near 

 Louth ! iTd.). 



South Lincolnshire. — Uffington, near Stamford (E. Collier). Anwick, near 

 v^leaford, March 7th, 1887! (C. T. Musson). Ancaster village, plentiful, 

 April 17th, 1886 (W.D.R.). Ermine Street, north of Ancaster Railway 

 Station, plentiful by the roadside, April 17th, 1886 (W.D.R.). 



Helix hispida var. subrufa Moq. 



North Lincolnshire. — Louth Park, near Louth, one ! (H. W. Kew, 7, vi, 87). 



Helix Mspida var. subgiobosa Jeff. 

 Jeffreys' 'British Conchology' (1862) is our sole authority for 

 the inclusion of this variety, which is recorded in that work as found 

 at Brocklesby (North Lines.). 

 North Lincolnshire. — Brocklesby (Jeffreys, 1862). 



Helix sericea Miill. 



For this species we have but one record — for Ancaster, in South 

 Lincoln. 



South Lincolnshire. — Ancaster village, one, April 17th, 1S86 (W.D.R.) 



Helix virgata Da Costa. 



For this species the only two records of the typical form are for 

 the Southern division. 



South Lincolnshire. — Ancaster village, one, April 17th, 1886 ! (W.D.R.). Anwick, 

 near Sleaford, numerous, March 7th, 1887 ! (C. T. Musson). 



