160 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 
H. b. Preston: The original specimens of Vitrea glabra (Studer) 
from which the species was first identified as British. 
A.S. Kennard: A specimen of Dreissensia polymorpha (Pallas) from 
the Holocene of Clifton Hampden. The species is generally considered 
to be a recent importation. 
E. R. Sykes: A specimen of Voluta Rossiniana (Bernardi). 
E. A. Smith, A. $. Kennard, and B. B. Woodward: Specimens in 
illustration of their papers. 
ORDINARY MEETING. 
Fripay, 11TH Aprit, 1902. 
E. A. Smrru, F.Z.S8., etc., President, in the Chair. 
The following communications were read :— 
1. ‘Notes on Mollusca, Terrestrial and Marine: (i) from the Late 
Celtic (early Iron Age) burial-ground of Harlyn Bay; (ii) from 
a Bronze Age interment, Harlyn cliffs; (11) from a Neolithic potter’s 
hut, Constantine Island; (iv) from kitchen middens on Constantine 
cliff, and at Constantine Church.” By the Rev. R. Ashington Bullen, 
¥.L:S., ete. 
2. ‘* Description of a new species of Achatina from Basutoland.” 
By E. A. Smith, F.Z.S., ete. 
3. ‘On Corona Pfeifferi, var. gracilis, n.var., from S.E. Columbia.” 
By E. A. Smith, F.Z.8., ete. 
4. ‘Notes on the Clausilie of Tonkin.” By E. R. Sykes, B.A, 
F.L.S., ete. 
5. ‘Note on the histology of Molluscan and other olfactory nerve 
centres.” By R. H. Burne, B.A., F.Z.S., etc. 
Exhibits were placed on the table by the following :— 
W.M. Webb: Photographs of pottery from ancient Peruvian graves 
moulded into the form of molluscan shells. 
R. H. Burne: A specimen of Awinus flexuosus (Montagu) with the 
vermiform foot extended. 
The Rey. R. A. Bullen, E. A. Smith, E, R. Sykes, and R. H. Burne : 
Specimens in illustration of their papers. 
NOTES. 
LAND-SHELLS USED AS MopELS By ANCIENT PERUVIAN Porters. (Read 
14th March, 1902.)\—Towards the end of 1901, Sir Spenser St. John, 
formerly H.M. Minister resident in Peru, disposed of his large collection 
of ancient Peruvian pottery. Mr. Stevens, the well-known auctioneer, in 
whose hands the specimens. were placed, very kindly gave the writer every 
facility for examining and photographing them. The vessels in question 
