The loss resulting from careless work is very serious.
Some small expeditions were made from Bathurst, resulting in the discovery of the Lachlan, and in 1816 the first of the great exploration expeditions of Australia was fitted out under Lieutenant Oxley, R.N.
From all centres the leading motives of exploration were probably the same - commercial intercourse, warlike operations, whether resulting in conquest or in flight, religious zeal expressed in pilgrimages or missionary journeys, or, from the other side, the avoidance of persecution, and, more particularly in later years, the advancement of knowledge for its own sake.
The classification of the land surface into areas inhabited by distinctive groups of plants has been attempted by many phytogeographers, but without resulting in any scheme of general acceptance.
Wounds.The principal phenomena resulting from a simple wound, and the response of the irritated c~lls in healing by cork and in the formation of callus, have been indicated abeve.