p fo) 
The lessons are illustrated with actual specimens, selected 
from the Society’s Museum, and fresh material from the field, 
also coloured chalk drawings. The number of schools attend- 
ing at these lessons is 14, and the number of pupils (boys’ and 
girls) is 1,620, at an average of 45 to each lesson. 
ADDITIONS TO THE SOCIETY’S LIBRARY. 
The names of the donors of books, periodicals, pamphlets, 
maps, &c., are:—Miss M. B. Eggers, Messrs. A. A. Dallman, 
T. A. Jones, S. W. Partington, W. F. J. Shepheard, S. G. 
Smith, and Hugh R. Watkin. Other additions are by exchange 
and purchase. 
Special attention is directed to the British Museum (Natural 
History) publications on economic and other subjects ; also to 
‘* A Practical Handbook on British Birds,’’ edited by H. F. 
Witherby, F.Z.S. 
‘ADDITIONS TO THE’ SOCIETY’S MUSEUM. 
Mr. Atec. J. E. Cave—Skull of Common Otter (Zutra vulgaris). Near Farn- 
don, Chester. 7794, 1904. 
CuRATOR—37 species, 119 specimens of Lepidoptera. Chester and district. 
Delamere, Wirral. 7797-7835, 1919-1920. 
Dr. W. Henry Dosre—Hymenopterous Insect (sp ?). 
Dr. H. Drinkwater—Two Nests of Mason Bee (Anthophora sp.?). Wrex- 
ham. 7835, 1919. 
Mr. Auex. A. Myies—Fresh-water Mussel (Anodonta cygnea). Near Pulford, 
Chester. 7836, 1919. 
Mr. Parrick G. Nacue—Great Spotted Woodpecker (Dendrocopus major). 
Saughall, Chester. 7796, 1920. 
Rev. J. M. New.—Fresh-water Mussel (Anodonta cygnea). Backford, Chester. 
7795, 1919. 
Mr. G. H. Witt1rams—Dragon-Fly (#schna grandis). White Friars, Chester. 
ALFRED NEWSTEAD, F.E.S., 
20th May, 1920. Curator and Hon. Librarian. 
