330 



— (a) Fetid Felspar (Ntcrointtj and Quartz, from Umbera- 

 taiia ; (bj Atacamite, from Bimbowrie,' by Douglas Maw- 

 son, B.E., B.Sc. Mr. Howchin, F.G.S,, gave a short descrip- 

 tion of a visit he had recently made to Hergott during which he 

 had discovered the existence of Cambrian glacial till beds in 

 the Willouran Ranges, similar in all resjjects to those which 

 occur in the Sturt Valley, near Adelaide. Geological sections 

 were drawn on the blackboard to show the similar strati- 

 graphical features in each case. One observation made was 

 of special interest as offering an explanation ot the occur- 

 rence of erratics scattered over some of the plains of the Lake 

 Eyre basin. Mr. Howchin had noted these at Stuart Creek 

 Station, and the Government Geologist had referred to them 

 in a recent report on that district. About six miles froin 

 Hergott, eastward, there was a gradual rise to the Willouran 

 Ranges, at the base of which the till beds, with erratics, out- 

 crop. These erratics were found all along the low slope, for 

 at least a mile in breadth, resting on the clay of the plains, 

 and far removed from their source. These may either have 

 directly weathered out of the till beds which occupy the low 

 rises ; or, possibly, dispersed by denudation of the desert sand- 

 stone, in which they have been included as derived material. 

 Mr. Howchin exhibited erratics from the hardened till and 

 glaciated stones from the same locality. 



Ordinary Meeting, June 5, 1906. 



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

 chair. 



Ballot. — F. H. Snow, merchant, Adelaide, was elected a 

 Fellow. 



Exhibits. — Mr. A. H. C. Zietz, F-L.S., a Gecko, a fine 

 specimen, from Umberatana ( Gyninodactylus ttnlensiij, has 

 sucking discs at extremities of its five toes and claws. This 

 reptile is found in New South Wales and Victoria. Named 

 from the sound it emits. 



Mr. Zietz also exhibited a Batrachiau (Ileleiporus pic- 

 tusj, found by Mr. F. R. Zietz, on September 1, 1891, at 

 Henley Beach, in the sand at a depth of 3 ft. When found, 

 the animal was very much distended with water and of a 

 pale colour. In this state it had a close resemblance to speci- 

 mens of frogs dug out of the sandy bed of Callabonna Creek 

 by Mr. Zietz, locally known as water-frogs, on account of 

 the water they contain. A mass of olivine, or chrysohte, 



from Mount Gambler. A specimen of r<(rnotifc, from Olary, 

 South Australia. Mr. Edwin Ashby exhibited male and fe- 

 .male megapode skins (Megftpodim dupcrreyi }, and skins of 



