THE HOUSE-FLY EXHIBITION, 529 



EXHIBITIONS AND NOTICES. 



May 11, 1915. 



Dr. A. Smith Woodward, F.R.S., Vice-President, 

 in the Chair. 



The Secretary read the following report on the Additions to 

 the Society's Menagerie during the month of April 1915 : — 



The number of registered additions to the Society's Menagerie 

 during the month of April was 230. Of these 150 were acquired 

 by presentation, 25 by purchase, 38 were received on deposit, 6 in 

 exchange, and 11 were born in the Gardens. 



The number of departures during the same period, by death 

 and removals, was 115, 



Amongst the additions special attention may be directed to : — 



1 Goeldi's Marmoset (Callimico goeldii), from Bunda Rivery 

 Bolivia, new to the Collection, deposited on April 14th. 



1 Houbara Bustard (^Houhara ti/tidulata), from North Africa,, 

 received on deposit on April 27th. 



A valuable Collection of WaterfoAvl containing sixty-eight indi- 

 viduals representing twenty-five species, presented by Alexander 

 L. Duncan, F.Z.S., on April 23rd. 



The House-Fly Exhibition. 



Prof. H. Maxwell Lefroy, M.A., F.Z.S., Curator of Insects, 

 exhibited specimens of various kinds of fly-traps and made the 

 following remarks upion the House-Fly Exhibition '.■ — 



" A small exhibition of Flies and methods of dealing with them 

 will be open on Wednesday, May 12th, and continue open while 

 it is of use and interest. There will not necessarily be anything 

 original in the exhibition, and it was planned at first simply 

 to show the American fly-traps, which are not used in this 

 country and which are likely to be valuable. From this it has 

 grown to include all the information about flies that a health- 

 ofticer might require, and we are endeavouring to arrange it so 

 that such an officer can obtain in a short time the technical infor- 

 mation about flies that is available, without himself having to 

 hunt up the literature. We have also tried to make it useful by 

 getting samples and prices of the necessary chemicals etc., by 

 having copies of books and other literature, and by condensing 

 into a short illustiuted pamphlet authoritative information. 



Since this was planned the Press have taken it up, somewhat 

 to our embarrassment, and we have had to make it as interesting 

 and instructive as we can for the general public : so we are 

 enlarging the scope, providing tabloid information and posters, 

 and generally trying to rub in the essential facts. 



Flies are likely to be important this year for several reasons 

 the first is that with a shortage of labour scavenging will not be 



