He collected more than 125,000 specimens , more than a thousand of them representing species new to science .
From 1854 to 1862 , Wallace traveled again through Maritime Southeast Asia to collect specimens for sale and study nature .
Wallace collected more than 125,000 specimens , more than a thousand of them representing species new to science .
From 1854 to 1862 , Wallace traveled again through Maritime Southeast Asia to collect specimens for sale and study nature .