32 



THE VICTORIAN NATURALIST. 



A Distribution Table of the Minerals Recorded Ahove. 



Explanation of Plate I. 



Fig. I. Red-rain sediment, Camberwell, 14/2/03. x 70. 



,, 2. Ditto, St. Kilda. x 65. 



,, 3. Ditto, Otago, N.Z. x 65. 



,, 4. Dust from roof of National Museum. x 65. 



,, 5. .Silicious residue from red-rain sediment, St. Kilda. 



,, 6. Ditto, containing silicious vegetable tissue, x 70. 



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Explanation of Plate II, 



Fig. I. Silicious residue of red rain, St. Kilda. Scale, o.i mm. 



,, 2. Diatoms from red rain, .St. Kilda. Scale, O.I mm. x 63. 



,, 3. Diatoms from red rain, St. Kilda. x 63. 



,, 4. Diatoms from red rain. x 140. 



,, 5. Zoned plagioclase felspar from red-rain sediments. x 500. 



,, 6. Augite, Melbourne dust. National Museum. x 500. 



,, 7. Tourmaline from red-rain sediment, St. Kilda. x 500. 



,, 8. Magnetite in augite. x 500, 



,, 9. Cordierite. x 332. 



65. 



