94 Proceedings of the Royal Society of Victoria. 



Hill, Baynton's ; Mount Franklin ; Redesdale ; Stawell 

 (P.R. Vol. 3). 



Hydrate of Alumina. — Coleraine (P.R. Vol. 4). Analysis on 

 page 163 of same volume. 



HYDROMAGNESITE. — Collingwood basalt quarries (T.M.). 



Hydrophane. — Stawell (P.R. Vol. 3). 



Ilmenite. — Yarra basin, with stream tin (El. 1S66). Near 

 Castlemaine, as black sand in the alluvial deposits 

 draining from the basalt (T.S.H). Near Heathcote, in 

 diabase rocks (H. 1896). See titaniferous iron. 



Infusorial Earth. — (Tripolite, Randanite, Diatomaceous earth). 

 Talbot, found in all stages, from the pure, soft, snow- 

 white silica containing the well-known infusorial forms, 

 to masses resembling opal and chalcedony (P. 1873). 

 For analysis see P. 1872 and M.S. 1875-6. West 

 Melbourne Swamp, impure, clayey (P. 1878). Middle 

 Creek, Radborough (P. 188-1). Brunswick (P. 1885). 

 Lillicur (M.S. 1885). Maryborough (M.S. 1886). 

 Gippsland (M.R. 1886). Campaspe River, near Redes- 

 dale, in clay in the gold-drift ; Lancetield ; Sebastopol ; 

 Amherst (T.M.). Alexandra ; Daylesford (P.R. Vol. 3). 

 See paper by F. M. Krause in Trs. R.S. Vic, 1887. 



Iolite. — Traawool, grains and crystals in granite; Maldon, in 

 pegmatite (T.M.). 



Iridosmine. — Reported from Yarra goldtields, tine steel-grey 

 particles in "heavy sand" (M. 1866). 



Iron (native). — Western Port district, with nickel, in masses (B.S. 

 1861). Two large masses, one of half a ton, and the 

 other about four tons in weight, and several smaller 

 pieces were found in the neighbourhood of Cranbourne 

 (M. 1866). Langwarrin, near Frankston (P. 1887). 

 Smythesdale (P.R. Vol. 7). Near Daylesford (M.R. 

 1889). In the basalts of Ballarat (Liversidge, in 

 Minerals of New South Wales). 



Iron ores. — Iron ores, without naming the species, are recorded 

 from Castlemaine and Bendigo (B.S. 1861). Thompson 

 River (P. 1878). Near Bairnsdale (P. 1881). Good- 

 man's Creek ; Jan Juc (M.S. 1884). Grantville (M.S. 

 1885). Grampians (M.S. 1886). Ironstone is recorded 



