112 Proceedings of the Royal Society of Victoria. 



Senarmontite. — Costerfield (P. 1876). .See note under valentinite. 



Sericite. — Near Heathcote, flakes in silurian and metamorphic 

 rocks (H. 1896). 



.Serpentine. — Mount Timbertop (M. 1870). Analysis in the 

 same work. Mirboo (M.S. 1881). Gippsland ; Wannon 

 ■ Falls (P.K. Vol. 7). Beechworth ; Mount Wellington ; 

 Waratah Bay, produced by the decomposition of gabbro 

 (T.M. Catalogue 1891) Benalla (P.R. Vol. 3). Mount 

 Bulla ; Howqua River (P.R Vol. 4). Dargo, pseudo- 

 morphs after olivene (H. in Trs. R.S. Vic, 1887). 



Siderite. — See Chalybite. 



Silicate of iron. — Maldon ; Snowy River (P.R. Vol. 3). 



Silicified wood. — Barrabool Hills ; banks of the Barwon River, 

 near Geelong ; Sutherland's Creek, near Maude ; Bac- 

 chus Marsh district ; several places in Gippsland (M. 

 1866). Bulla Bulla Creek (M.R.F.). Large blocks in 

 some of the tertiary formations ; parish of Durdid- 

 warrah, in hard silicious rock underlying older basalt 

 and tertiary beds ; Glenmaggie, in pebble drift (N.M.). 

 Swift's Creek (P. 1878). Near Morwell ; Sloan's Punt, 

 on the Goulburn River (P. 1882-3). Western Port 

 (P. 1884). Macalister River (P. 1891). Glenelg 

 River; Coleraine (T.M.). As wood opal it is recorded 

 from Bass River ; Grampians ; the gold-drifts of Dayles- 

 ford ; Ballarat, etc. (M. 1866). Between Moe and 

 Morwell (P. 1883). As fossil wood, from Footscray ; 

 Lai Lai (P. 1880). Laanecoorie (M.R. 1889). Waratah 

 Bay ; Stawell (PR, Vol. 3). Hepburn ; Omeo (M.R.F.). 



Silver (native). — St. Arnaud, in the silver reefs (M. 1866). 

 Landsborough, in thin veins of quartz, with gold, copper 

 and lead ; Stawell (P. 1871). Dry Gully, near Mount 

 Livingstone (Stirling in Trs. R.S.S.A., 1883-4). Silver 

 is recorded from Howqua Hills, in quartz ; junction of 

 Delatite and Goulburn Rivers, in quartz ; Tangil, in 

 earthy siderite (P.R. Vol. 7). Omeo (CI.). Silver ores 

 from Pleasant Creek (B.S. 1866). Woods Point; 

 Landsborough (P. 1869). Ringwood, in quartz, one 

 sample (B.S. 1872). Bairnsdale ; Mount Wills ; Glen 

 Wills ; Gelantipy ; Mansfield ; Bemm River (M.R. 

 1896). See under the names of the different silver ores. 



