Introductory Remarks. xi 



not merely for adding to the prosperity, comfort and enjoyment of 

 the present generation, but also with an anticipation of earning the 

 gratitude of posterity ; and this is ever done with a sensitive jealousy, 

 to maintain also thereby the fair fame of any country for scientific 

 dignity and industrial development. Friendly consideration will recog- 

 nise the fact, that a desire, humbly to aid in such a spirit of emulation, 

 has much inspired the writer, to offer these pages, he feeling assured, 

 that enlightened statesmanship far and wide will foster these aims, 

 through liberal, energetic and circumspect support. 



Melbourne, July, 1895. 



