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Flinders Ranges. Both collections contained several species 

 new to science. He also exhibited roots of an apricot tree 

 dying from the attacks of weevils, and apricot leaves and 

 fruits destroyed by another species of weevil (Desiantha 

 nociva). Mr. A. R. Riddle discussed an apparently un- 

 recorded phenomenon occurring in the electron type of X-ray 

 tube, by means of which a brilliant blue light was produced. 



Ordinary Meeting, April 14, 1921. 



The President (Sir Joseph C. Verco, M.D., F.R.C.S.) 

 in the chair. 



Nomination. — R. J. Burton was nominated as Fellow. 



Papers. — "Additions to the Flora of South Australia, 

 No. 19," by J. M. Black; "Crinoids from the Cretaceous 

 beds of Australia, with Description of a New Species," by 

 Professor Walter Howchin, F.G.S.; "A Tholeiitic Basalt 

 from Eastern Kangaroo Island," by C. E. Tilley (communi- 

 cated by Professor Howchin). 



The President reported that the Council had made a 

 grant to Professor Wood Jones in aid of research into the 

 Fauna and Flora of Nuyt Archipelago. 



Exhibits. — ■ Dr. Pulleine exhibited palaeolithic stone 

 implements from South Bruni Island, Tasmania, at the Easter 

 encampment of the Tasmanian Field Naturalists, and made 

 some remarks upon Tasmanian implements generally. Capt. S. 

 A. White exhibited the following birds: — Tyto novae- 

 hollandiae (Chestnut-faced Owl), from the blowhole on 

 Nullarbor Plain, with Tyto delicatula for comparison; Cora- 

 cina robusta mentalis (Southern Cuckoo Shrike), from South 

 Australia, with Coracina melanops (Black-faced Cuckoo 

 Shrike) from New South Wales and South Australia, and 

 Pteropodocys maxima (Eastern Ground Cuckoo Shrike) from 

 New South Wales for comparison ; also specimen prints of 

 Cayley's "Birds of Australia." Professor J. B. Cleland ex- 

 hibited specimens of Loranthus, showing their resemblance to 

 their respective hosts [vide Miscellanea]; also portion of a 

 branch of a sugar-gum (Eucalyptus cladocalyx) over 2 in. 

 in diameter which broke off spontaneously at its juncture with 

 the stem at 12.30 p.m. on February 19, 1921, the day being 

 warm and muggy and the maximum shade temperature 91° F. 

 During this month, in the neighbourhood of Adelaide, 

 numerous large fallen branches were seen lying under these 

 trees. Mr. J. H. Maiden, to whom the matter was referred, 

 stated that owing to the liability of the branches of this 

 species to fall in this way, its cultivation had largely gone 

 out. The wood of the branch examined was very sappy. Also 

 a number of portions of the roots of a mallee (Eucalyptus 



