50 PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY. 
lected in the same lake after the refuse was turned into the river, in 1887 ; 
examples of the same species collected in the Ringley Canal, Lancs. S., in 
1886. when the water was high and clear, and other examples collected in 
the same place on Aug. 24th, 1886, during the heavy and long-continued 
drought, when the water was stagnant and foul-smelling, with the top 
covered with iridescent scum from the aniline dye-works, these latter 
examples being much darker in colour than those collected during the spring ; 
examples of Limnea peregra var. boissiz from Southport, Lancs. 5., from a 
ditch which is filled with salt water at every tide, collected from the fronds 
of Enteromorpha intestinalis in three different lots, showing very great 
differences, one collected early in 1886, a second in the autumn of that year, 
and a third in 1887 ; Planorbis nauteleus var. crista and monst. scalariforme 
from Whittingham, Lancs. W.; and //. aldws monst. scalarzforme from 
Farington, Lancs. S. 
The President also showed Limca stagnalis v. appressa Say, from Marl 
lake, Roscommon County, Michigan, where it was collected by Mr. M. L. 
Leach. 
Hyperstrophy : 
A discussion arose on the questions of sinistrorsity, inversion, and 
hyperstrophy, and eventually it was decided that the discussion be resumed 
at the next meeting. 
235th MEETING, THURSDAY, MARCH 2ist, 1895. 
The President in the chair. 
Donations to Library announced and thanks voted : 
Iconographie malacologique des animaux mollusques fluviatiles du Lac 
Tanganika, par J. R. Bourguignat, 1888—from La Sociétié Malacologique de 
France. 
Donations to Cabinet Fund announced and thanks voted: 
Five Shillings from Rev. C. A. Williamson, M.A. 
New Members Elected : 
Mr. Alfred Sich, F.E.S., Villa Amalinda, Burlington Lane, Chiswick, 
Middlesex. 
Mr. Wilfred Mark Webb, F.L.S., Editor of the ‘Journal of Malacology, 
Staff Demonstrator in Biology to the County Council of Essex, Holmesdale, 
Brentwood, Essex. 
Candidates Proposed for Membership : 
Mr. Reginald Hawkesworth Barker (proposed by Mr. J. A. Hargreaves 
and Mr. Robert Standen), and Mr. Charles R. C. Hibbert, F.Z.S. (proposed 
by Mr. John W. Taylor, F.L.S. and Mr. William Nelson). 
Exhibits : 
The President showed some abnormal specimens of Helix nemoralts, 
bleached examples found on the sand-dunes in the neighbourhood of Bally- 
shannon or Bundoran in co. Donegal, sent by Mr. Wm. Swanston, F.G.S., 
of Belfast, one being a specimen with abnormal mouth, and two examples of 
monst. scalarzforme. 
J.C., viii., Apr. 1895. 
