388 



The President referred to the resignation as a Fellow 

 of Mr. G. E. Mayo, who had been a member of the Society 

 since 1873 and Honorary Secretary from 1897 to 1908; to 

 the bestowal upon our Honorary Member, Professor W. H. 

 Bragg, of the honour of Knight Commander of the British 

 Empire; and to the bequest to the Society by the late Sir 

 Edwin Smith of £200, which would in due course be added 

 to the EndovxTnent Fund. 



Professor Howchin referred to the death of our Honorary 

 Member, Mr. Robert Etheridge, and gave a resume of his 

 scientific work [vic^e Miscellanea]. 



Professor Howchin reported that the deferred meeting 

 of the Australasian Association for the Advancement of 

 Science would be held at Hobart next January. 



Exhibits.— Captain S. A. White exhibited a fuiigus from 

 the Queensland scrub resembling lumps of -pitch. Mr. A. 

 M. Lea exhibited a collection of biting March flies 

 (Tahadinae) from various parts of Australia; also some 

 almonds eaten by squirrels and opossums, which were attack- 

 ing them badly, as also were, according to other speakers, 

 rats and birds. He also showed twigs from a kurrajong tree, 

 illustrating the fact that this and similar trees shed their 

 small branches as well as their leaves. Dr. E. Angas Johnson 

 showed native currants ( Styplielia depressa) preserved in 

 formalin, 5 parts to 100 water, which retained the natural 

 colour; also eggs of the rock parrot (NeopTiema petrophila) 

 from Thistle Island, near Port Lincoln, where they were 

 rapidly increasing since being protected. Mr. A. G. Edquist 

 showed photograph of a eucalyptus leaf, taken by using the 

 leaf itself as the negative, which showed very clearly the 

 venation and structure. Mr. A. R. Riddle showed a Coolidsfe 

 tube, radiator type, for X-ray work, and radiograph of skull 

 of an Australian aborigine [vide Miscellanea]. 



Papers. — "Vocabularies of Four South Australian 

 Languages, with special reference to their Speech Sounds," by 

 J. M. Black; ''New Australian Lepidoptera," by Osavald 

 B. Lower, F.E.S., F.Z.S.; ''Certain Diophantine Problems," 

 by Professor J. R. Wilton, M.A., D.Sc. 



Ordinary Meeting, May 13, 1920. 



Major R. H. Pulleine, M.B. (Vice-President), in the 

 chair. 



Elections. — Professor F. Wood Jones, M.B., B.S., 

 M.R.C.S., L.R.C.P., D.Sc, and Professor J. R. Wilton, 

 M.A., D.Sc, were elected Fellows. 



Exhibits. — Professor Howchin exhibited pebbles from 

 Ardrossan beach, showing the solvent effect of sea water on 



