Preface. vii 



9. Mineral and metalliferous deposits. 



10. Localities for fossils. 



11. Naturalization and diffusion of introduced plants and animals. 



12. Eesources of the colony in cements, concretes, plasters, building 



stones, &c., &c. 



13. Eesources of the colony in materials used in the manufacture 



of glass and pottery. 



14. Substances found in the colony available for dyeing or tanning. 



15. Machines and processes for the extraction and treatment of ores, 



and for the preparation of flax. 



16. Duration of native timber under various circumstances. 



17. Plans and descriptions of mines. 



18. Cause of failure of introduced grasses on some of our soils. 



19. Effect as manure of various substances found in the colony. 



20. Plants suitable for live fences in this country. 



21. Medicinal plants. 



22. Trees available for timber. 



23. Arboriculture. 



24. Proposed lines of railway. 



25. Harbour improvements. 



26. Experiments in the improved breeding of stock. 



27. Experiments in this colony on the culture of the vine, the hop, 



sugar-beet, rice, barley, European flax, New Zealand flax, &c. 



28. Adulteration of food. 



29. Sanitary condition of our cities, and means of improving them. 



30. Effects of our climate on diseases. 



31. Machines and processes for the washing of sheep, and on boiling- 

 • down establishments. 



In conclusion, the Editor begs to acknowledge the great assistance he has 

 received in the publication of this work from the Governors, and especially 

 from Mr. Travers, who kindly superintended the revision of a large propor- 

 tion of it. 



The acknowledgments of the Board are also due to the Secretary, 

 Mr. E. L. Holmes, for the efficient and painstaking manner in which he 

 has performed the duty of passing the volume through the press ; and to 

 Mr. John Buchanan for his valuable assistance in the preparation of the 

 illustrations. 



James Hectoe. 



WELLlNenoN, Uh May, 1869. 



