Dee J. H. MAIDEN. 
Twelfth Monthly Meeting, Hall, Australian Library, 
12th August, 1857. Sir William Denison in the Chair. — 
Members elected.—Captain Martindale, R.E.; Arthur 
Hodgson, John F. Hill; John Stafford. 
A specimen of artificial stone was submitted by Messrs. 
Bensusan and Westley, and a letter description of its pro- 
perties was read to the meeting. 
Papers read.—1. ‘‘On Railways,”’ (following up his paper 
of last year on the same subject), by Sir William Denison. 
(Published at p. 62, Vol. 11of the Magazine). 2. ‘‘On Rail- 
ways with reference chiefly to the Motive Power,” by 
Fred. S. Peppercorne, c.—. (Paper part read by Captain 
Ward, and published at p. 78, Vol. 1rof the Magazine). 
Thirteenth Monthly Meeting, Hall, Australian Library, 
Bent-street, 9th September, 1857. Professor Woolley in 
the Chair. 
Members elected.—W. J, Stephens, James H. Blake, 
John Rae, Ed. Maitland, William C. Uhr, R. L. Jenkins, 
William Bell, M.D. 
Papers read.—‘‘On the waxed paper process of photo- 
graphy,’ by Frank Haes. (Published at p. 99, Vol. 11 of 
the Magazine). 
Fourteenth Monthly Meeting, Hall, Australian Library, 
14th October, 1857. EH. Deas-Thomson, Esq., in the Chair. 
Members elected.—Francis Napier, Edwin Dalton, James 
Smith, Dr. George Walker, Henry Moreing. 
Papers read.—1. “‘On the poison apparatus of venomous 
snakes,’’ by Alfred Roberts, illustrated by drawings by 
Dr. Macdonald of H.M.S. ‘“‘ Herald.’’ (Published at p. 130, 
Vol. I of the Magazirie, under the title “On the structure 
and functions of the venom apparatus in serpents,” with a 
plate of figures, and part 2 at p. 50, Vol. 1). 2. ““Meteor- 
