CONTENTS. 



scopic Life. 7. Land-Slip in the State of Vermont in 



North America, . . . , . 180 



MINERALOGY. 



8. Chrome in Magnetic Iron-Ore. 9. Identity of Chryso- 

 tile and Baltimorite. 10. Occurrence of Native Copper, 

 Native Silver, and large veinsof Datolite, on the Southern 

 Coast of Lake Superior. 11. Cubane. 12. Diamonds 

 in the Matrix from Brazil ; and Black Diamond, of 

 unusual hardness, from Borneo. 13. Formation of Iron- 

 Glance by sublimation. 14. Greenovite proved to be a 

 variety of Sphene. 15. ^lagnesiau Apatite, a New Mi- 

 neral described by Hermann. 16. Identity of Mellilite 

 and Humboldtilite. 17. New Analysis of Perowskite. 



18. Polykrase and Malakone, two New Mineral Species. 



19. Sismondine, a New Jlineral Species. 20. Spadaite, 

 a New ^Mineral. 21. Sulpho-Arseniuret of Lead, a New 

 Mineral Species. 22. Scheerer on the Sunstone, and on 

 the Microscopic Examination of various other ^Minerals. 

 23. Tenorite, a New Mineral Species. 24. Thomaite, 

 a New Mineral Species. 25. Analysis of Tschewkinite. 

 26. Vanadium-Bronzite. 27. Variety of Xanthokone 

 resembling Greenockite. 28. Occurrence of the Silicates 

 of Yttria and the Protoxide of Cerium in the Saxon 

 Erzgebirge. 29. Yttro-Titanite, a New Mineral Species 

 described by Scheerer of Christiania, . . 187 



CHEMISTRY AND THE ARTS. 



30. Ruthenium, a New Metal. 31. Occurrence of Chloride 

 and Bromide of Silver in Ancient Coins. 32. The econo- 

 mical extraction of Sulphate of Soda from Sea- Water. 

 33. Liquefaction of Nitrous Oxide. 34. Professor Fara- 

 day on the Liquefaction and Solidification of Bodies gene- 

 rally existing as Gases, .... 199 



ZOOLOGY. 



35. Description, by Captains Cook and Flinders, of Birds* 

 Nests of Enormous size on the Coast of New Holland. 

 36. The Human Skull as a Drinking Vessel. 37. The 

 Stature of the Guanches, the Extinct Inhabitants of the 

 Canary Islands. 38. Stature of Man in different Countries, 203 



Art. XIV. List of Patents for Inventions granted for 

 Scotland from 20tli March to 11th June 

 1845, inclusive, . . . .204 



ERRATA. 

 Page 46 (in the class Galenoides),/o»- non-metallic habitus read metallic habitus 

 " 129, line 1,/or trap read tra; 3 



In Vol. xxxviii. Xo. Ixxvi. for April 1845, 



Page 271, line 3 from bottom, /or Geographical read Geological 



" 277, line 16 from bottom, /or on the 4th read &a on the 4th 



