670 



Scyllaridae, probably Ibacus, popularly known as the "glass 

 crab." This was received from Capt. C. A. Anderson, of 

 Kingscote, Kangaroo Island. Mr. L. K. Ward showed a map 

 of South Australia indicating the relation between the rain- 

 fall and the contours. 



Paper. — ■"Notes on the Remarkable Hailstorm, near 

 Adelaide, on May 12, 1917," by Walter Howchin, F.G.S. 



Ordinary Meeting, August 9, 1917. 



The President (J. C. Verco, M.D., F.R.C.S.), in the 



chair. 



Exhibits. — Dr. R. S. Rogers exhibited drawings of the 

 orchid described by him on November 9, 1916, now identified 

 as Satyrium corufolium. It had been ascertained that it 

 was introduced from South Africa during the Boer War, 

 cultivated in a private garden, from which it had spread for 

 some distance. Mr. A. G. Edquist showed a piece of boiled 

 potato, which had been soaked in copper sulphate and placed 

 on a sheet of glass under a tumbler. It was now covered 

 with a growth of mould, and what was probably a colony of 

 bacteria. This was interesting, as pickling seed wheat in copper 

 sulphate was the process usually adopted to preserve it from 

 such growths. Mr. J. M. Black exhibited a native convolvulus 

 plant, (G '. erubescensj, received from Miss Mills, of Woolshed 

 Flat, notable for its fasciated stem. Mr. Edgar R. Waite 

 showed living larvae and eggs of a Mexican amphibian, 

 known in the larval stage as Axolotl, and in the adult 

 stage as Amblt/stoma. It is remarkable for arriving 

 at sexual maturity in the larval stage, but if the water 

 dries up it develops lungs and breeds in the adult 

 stage. Mr. A. M. Lea exhibited dry and moist samples of 

 wheat from the outside of some stacks at Port Adelaide, 

 severely damaged by insects, of which there were at least 

 twenty species, the principal one being the rice weevil 

 (Calandra orizaej, but a small reddish beetle (Tribolium 

 ferrugineum) was also numerous. Professor T. G. B. 

 Osborn exhibited specimens of Exocarpus cupressiformis 

 (native cherry), showing its semi-parasitic habit upon various 

 roots ; also microscopic preparations showing how the haustoria 

 of the Exocarpus penetrated the root of its host, setting up a 

 connection with the wood and bast of the latter. 



Papers. — "Notes on 6ome South Australian Eucalypts," 

 by J. H. Maiden, I.S.O., F.R.S., etc. ; "Results of the South 

 Australian Museum Expedition to Cooper Creek, 1916, viz. : 

 — Introduction, Mammals, Snakes., etc., by Edgar R. Waite, 

 F.L.S.; Birds, by Capt, S. A. White, M.B.O.U., R.A.O.U. ; 



