【摘 要】
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When I was called to deliver an address to this commemorable gathering I made some effort, following, the usual practice, in the choice of a suitable subject.
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When I was called to deliver an address to this commemorable gathering I made some effort, following, the usual practice, in the choice of a suitable subject. Before, however, I could settle down seriously on geological problems I found it difficult to resist certain distractions that arise from the development of scientific.
When I was called to deliver an address to this commemorable gathering I made some effort, following, the usual practice, in the choice of a suitable subject. Before, however, I could settle down seriously on geological problems I found it difficult to resist certain distractions that arise from the development of scientific.
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