CONTENTS, 



PAGE. 



Aet. I. — Duplex Telegraphy. By E. C. Cracknell, Esq 1 



Aet. II. — Hospital Accommodation. By Alfred Roberts, Esq., 



M.E.C.S 3 



Aet. III.— Criminal Statistics of New Soutli Wales, 1860-1873. By 



Chris. EoUeston, Esq 19 



Aet. IY. — Description of Eleven new Species of Terrestrial and 

 Marine Shells, from North-east Australia. By John Brazier, 

 C.M.Z.S., &c 29 



Aet. Y. — Iron Pyrites. By J. Latta, Esq 35 



Aet. YI. — Sydney Water Supply by Gravitation. By Jas. Manning, 



Esq 41 



Aet. YII. — Nickel Minerals from New Caledonia. By Professor 



Liversidge 75 



Aet. YIII. — Iron Ore and Coal Deposits at Wallerawang, N.S.W. ... 81 



Aet. IX. — Some of the Results of the Observation of the Transit of 



Yenus in New South Wales. By H. C. Russell, Esq., B.A. ... 93 



Aet. X. — The Transit of Yenus as observed at Eden. By the Rev. 



Wm. Scott, M.A 113 



