PRACTICAL HINTS 



TO 



SCIENTIFIC TRAVELLERS 



EDITED BY 



H. A. BROUWER, 



Professor of Geology, Delft 



H. A. BROUWER and N. WING EASTON. Practical hints to explores 

 in the Netherlands-East-Indies. 



PERCY A. WAGNER and TUDOR G. TREVOR. Notes on travel in 

 South- and East-Africa. 



WARREN D. SMITH. Hints to explorers and pn> 

 travel in the Philippines. 





