February i6ih, /po^.] PROCEEDINGS. xiii' 



source being undoubtedly the arsenite of copper used for 

 imparting a green hue to the wax. 



Mr. C. L. Barnes, M.A., referred to the communication, 

 made by Mr. Taylor at the meeting held on January 5th, 1904,, 

 and pointed out that a different method for obtaining hydrobromic 

 acid free from bromine had long been known, a bromide of one 

 of the alkaline-earth metals, instead of potassium bromide, being 

 used as the source. 



Dr. W. E. HoYLE, F.R.S.E., exhibited from the collection of 

 the Manchester Museum nestlings of the following species of 

 birds : Heron, Oyster-catcher, Water Rail, Lesser black-backed 

 Gull, Herring Gull, Razor-bill, Cormorant, and Kite. 



Mr. C. Oldham made some interesting observations upon 

 these birds, more particularly on the Gulls and the Kite, 



Mr. F. F. Laidlaw, B.A., also exhibited some species of 

 Oriental Dragon-flies, some of which were of interest more 

 especially because of their geographical distribution. 



Dr. HoYLE also communicated a paper entitled, " A Diag- 

 nostic Key for the Genera of recent Dibranchiate 

 Cephalopoda," which was intended to be of service to 

 Curators of Museums and other naturalists and collectors, by 

 enabling them to identify the genera of Cuttle-fish which may^ 

 be under their charge. 



Ordinary Meeting, February i6th, 1904. 



Charles Bailey, M.Sc, F.L.S., in the Chair. 



The thanks of the members were voted to the donors of the 

 books upon the table. 



Mr. H. E. ScHMiTZ, M.A., B.Sc, and Mr. R. S. Hutton, 

 M.Sc, were nominated auditors of the Society's accounts for the 

 Session 1903- 1904. 



' Messrs. H. Morris- Airey, M.Sc, and E. D. Spencer read 

 a paper (communicated by Dr. C H. Lees) entitled " On a 



