CONTENTS. 

 VOLUME XXIII. 



Sydney Technical College 



. III.— The Aborigines of Australia. By W. T. Wyndham, 



Boyne Island, Queensland 



rV.— Note on the Recent Eain Storm. By H. C. EusseU, 



v.— On the High Tides of June 15— 17th. By John Tebbutt, 



. VL— The Source of the Underground Water in the Western 



Districts. By H. C. Eussell, b.a., r.E.s 



ril.— On the application of Prismatic Lenses for making 

 Normal-sight Magnifying Spectacles. By Percy J. 

 TSidmunds {with illustrations) 



. VIII. — Flying-machine Memoranda. By Lawrence llargrave 



. IX.— Irrigation in its relation to the Pastoral Industry of 



New South Wales. By H. G. M'Kinney, m.e., Eoy. Univ. 



rrel.,M.i.c.E. {With maps.) 



. X.— The Eruptive Eocks of New Zealand. By Prof. F. W. 



Button, Hon. Mem. Eoyal Society, N.S.W. {One Plate) ... 

 . XI.— List of the Marine and Fresh-water Invertebrate Fauna 



of Port Jackson and the Neighbourhood. By Thomas 



Whitelegge, f.b.m.s 



. XII.— The Analysis of the Prickly Pear. By W. M. Hamlet, 



F.C.S., F.i.c, Government Analyst 



, XIII.— On the occurrence of Arabin in the Prickly Pear, 



rOimntia BraziUensis). By W. M. Hamlot, f.c.s., f.i.c, 



. XIV.— Notes on some New South Wales Minerals. By C. 



H. Mingaye, f.c.s 



-Notes on Goulburn Lime. By E. C. Manfred 

 —The Australian Aborigines. By Eev. John Mathew, 

 ., Cobiirg, Victoria {With Plate and Map) 



