W. D. ROEBUCK : LINCOLNSHIRE MOLLUSCA. 



IJorth Lincolnshire. — Martin Lister (Hist. Animalium Anglise, 1678, p. 123) says : 

 — • I have found it more than once in moss at the roots of large trees in 

 Burwell Woods in Lincolnshire, yet the creature is very scarce." Greenrield 

 Wood. Aby parish, one, June 8th, 18S7! (J. E. !Mason). Well Vale, near 

 Alford, numerous, one specimen very line, April 14th, 1S86 1 (W.D.R. ). 

 Haugham Pasture, near Louth I (H. W. Kew, 13, v, 87). Plantation near 

 Fenney Wood, Louth I (H. W. Kew, 13, v, 87). Maltby Wood, near 

 Louth, one I (Id.). Burwell Wood, one ! (H. W. Kew, 7, vi, 87}. 



Helix aspersa Miill. 

 An abundant species and generally distributed in the Louth, 

 Mablethorpe, Sutton, Alford, Boston, Lincoln, Caistor, and Gains- 

 borough districts, as also in South Lincolnshire about Grantham, 

 Ancaster, Boston, and Anwick. Only two noteworthy varieties 

 have as yet been recorded. 



North Lincolnshire.— Sand dunes, Skegness ! (C. T. ^Nlusson, February 1SS4). 

 The Sycamores, Alford, September 9th, 1885 ! (J. E. Mason). Tothby Road, 

 Alford, numerous, April 14th, 1886! (W.D.R. ). Farlesthorpe, one, May 

 25th, 1887 ! (T. E. Mason). Well Vale, near Alford, chalk-pit, one, April 

 14th, 1886: (W.D.R.). Lincoln, one! (C. T. Musson, Februar}- 18^54). 

 Skirbeck, near Boston, a few, September 8th, 1884 1 ( W.D.R.). Rigsby, a 

 few, juv., March 3rd, 1S87 1 (Isabel Mason). Sloothby, near Alford, 

 numerous, August 4th, 1886 I (J. E. Mason). Skegness, plentiful, 1S74 ! 

 (C. T. Musson), Sandhills, Chapel, parish of Mumby Chapel, Julv 5tli, 

 1886 ! (J. E. Mason). Claythorpe, one, July 6th, 1887 : (J. E. Mason). 

 Rejectamenta of Main Drain, Chapel, one juv., August 20th, 1886 1 

 (J. E. Mason). Mablethorpe, one 1 (H. W. Kew, April 1887). Sutton-in- 

 the-Marsh, common, April i6th, 1S86 ! (W.D.R.). Caistor, one juv., 

 October 6th, 1883 1 (W. E. Clarke). Muckton, near Louth, one. April 15th, 

 1886 : (W.D.R.). Rigsby farmyard, near Alford, April 14th, 1886! (W.D.R.). 

 Greentield Wood, Aby parish, two, June 8th, 1S87 I ' J. E. Mason). Near 

 Gainsborough, on Urtica dioica, two juv., August lith, 18S3 • Lee). 



South Lincolnshire. — Grantham (E. J. Lowe, 1853). Grantham, one brought I 

 (R. Walker, April, 1S84). Ancaster \-illage, plentiful, April 17th, 18S6! 

 (W^D.R.). Near Boston, one, September 8th, 1884! (W.D.R.). Ermine 

 vStreet, north of Ancaster Railway Station, plentiful, April 17th, 1SS6 ! 

 (W.D.R.). Anwick, near Sleaford, several, March 7th, 18S7I (C.T. Musson). 



Helix aspersa var. exalbida Menk. 



North Lincolnshire. — Mablethorpe Sandhills, common ; one denuded specimen 

 sent ! (H. W. Kew, 19, viii, 86). 



Helix aspersa var. grisea 2^Ioq. 



North Lincolnshire. — Cleethorpes, specimens in the collection of the late J. Hardy, 

 sen., September, 1SS5 • 



Helix nemoralis L. 



Common and widely distributed about Louth, Alford, Market 

 Rasen, and Owston Ferry, and in South Lincolnshire at Anwick. 

 The earliest records are for Grantham (E. J. Lowe, 1S53), and 

 Croyland (Bellars, 185S), both in the South. The colour- and band- 

 variations recorded are numerous, and one form-variation has been 

 noted. 



Aug. 18S7. 



