164 GEOLOGY. 



Gives notes as to the silting-up of Hobson's Bay. Kecent works have 

 facilitated the previous natural hut slower process. 



Reid, G. H. An Essay on New South Wales, the Mother Colony of 



the Australias. Pp. vi, 173, map. 8vo. Sydney. 

 Mineral progress and resources, pp. 64-80. 



Russell^ J. C. Lake Wakatipu, New Zealand. Anur. Nat. vol. x. 

 pp. 385-392. 



Gives an account of the physical features of the Lake, situated about 

 100 miles from the S. end of the S. Island. Regards it as in a rock 

 basin, scooped out by glaciers, its lower end being blocked up with an 

 immense terminal moraine. H. A. N. 



Smyth, R. B. Report of Progress, Geological Survey of Victoria, 

 for the year 1875. No. III. Pp. viii, 307 (maps, plates, and sec- 

 tions). 8vo. Melbourne. 

 The Progress Report (pp. 1-119) contains : — 1. Departmental Report; 

 2. Notes on the Geology of N.E. Victoria ; 3. Notes on the Geology of 

 the Upper Yarra ; 4. Notes on the Geology of Eltham and Allendale ; 



5. Notes on the Welcome Rust and " deep leads " at Stawell, &c. ; 6. 

 An epitome of the Geological Map of Australia ; 7. Palaeontological 

 Notes ; 8. Matters relating to the treatment of Auriferous Pyrites ; 9. 

 On Gold in Mine Waters ; 10. On the History of the Discovery of Fha- 

 colite in the Richmond quarries, Melbourne. Supplementary Reports 

 follow. 



1. Report on the Geological Survey of the Ararat Goldfield, by F. M. 

 Krause, pp. 120-134. Describes the auriferous drifts and quartz lodes, 

 and gives an historical sketch, geologically speaking, of the district. 



2. Report on the Geology and Mineral Resources of South-western 

 Gippsland, by R. A. F. Murray, pp. 134-174. 1. Granite (Wilson's 

 Promontory) ; 2. Upper Silurian ; 3. Mesozoic, referable to the sub- 

 divisions known in Victoria as Carbonaceous ; 4. Tertiaries, including 

 the older volcanic and sedimentary deposits anterior to it (Miocene), 

 fluviatile deposits of gravel younger than the foregoing (Older Pliocene), 

 deposits forming the wide plains of the Thomson and La Trobe (Newer 

 Pliocene) ; 5. Coal seams, of which there are 6 outcrops of importance ; 



6. Gold workings, subdivided into quartz reefs, alluvial workings, and 

 leads. Osmium, iridium, tin, copper, iron ores, and lignites are among 

 the mineral productions. 



3. Notes on the Microscopic Examination of Igneous Rock Specimens 

 from S.W. Gippsland, by A. W. Hewitt, pp. 175-177. 



4. Notes on the Devonian Rocks of North Gippsland, by A. W. 

 Howitt, pp. 181-249. 1. L. Devonian (the Snowy River porphyries). 

 2. Mid. Devonian (limestones of Buchan and Bindi, Tabberabbera shales, 

 limestones of Cowombut and the Native Dog Creek). 3. U. Devonian 

 (Iguana Creek beds with a distinctive U. Devonian flora. Snowy-bluff 

 beds. Mount Tambo beds). Concludes with notes on the gold-workings 



1 



