132 PROCEEDINGS. 
vs sti was read on “Rain and its Causes” by Mr. Epwin 
Mr. Wa ter SHetisHear, A.M.I.C.E., read a paper on “The 
Removal of Bars from the Entrances to our Rivers.” 
A discussion followed, in which the following — n took 
part, viz. :—Messrs. J. Trevor Jones, W. G. Murray, and the 
Chairman. 
Dr. Lersrvs, on behalf of Mr. Mansfield, exhibited a peculiar 
scum taken from a water-hole near Campbelltown, which possessed 
the property of changing its colour from red to green, and vice- 
microscope it was thought to belong to the Jnfusoria, of the family 
, Viz., Astasia hematodes 
. L. MonTEFIORE presented to the Society a drawing of 
the skslanens of the Iguwanodon Bernissartensis, found in the coal 
easures of Bernissart, in Belgium. e skeleton, which is 
placed in the Royal Museum at Brussels, is about 15 feet high, and 
24 feet in length from head to tail, and bears a striking resemblance 
to the common kangaroo, only of gigantic size. 
About forty members were present. 
WEDNESDAY, 2 JULY, 1884. 
H. C. Russett, B.A., President, in the Chair. 
The minutes of the last meeting were read and confirmed. 
The following gentlemen were duly elected ordinary members of 
the Society :— 
Binstead, W. H., Petersham. 
Smith, F. Moore, M.D., Sydney. 
Verde, Felice, Spezia. 
Wiesener, T. F. , Sydney. 
The certificates of four ca Sean goer were read for the second 
time, and of nine for the ; 
Fifty-four donations were ‘aid upon the table. 
Dr. Lerstus, M.A., F.C.S., read a paper “ Notes on Gold.” 
discussion followed, in which the a pbadienncts took 
part, viz. essrs. W. Dr. Renni enry, Prof. 
Smith, Prof. Liversidge, Dr. Leibius, may the Chairman, 
fessor Liversidge, F.R.S., made a few remarks in explana- 
the rooms for inspection. They consisted of a model of beautifully 
crystallized gold, in large crystals, a end to spre in branching 
arborescent forms, prepared from the original in the Museum of 
