-*> Photography by Day and by Night 



travellers I may say that they are beset with difficulties. 

 They require a long exposure, and are best suited, there- 

 fore, for stationary objects. If you wish to photograph 

 animals in motion, you must learn to expose your negative 



TIII-: i-iKST DR^-I 1 I.ATI; I'IIOTOC.RAIMI. PROBABLY. KVKR TAKKN IN THK AFRICAN 



DESERT. THE WORK OF ONE OF THE OLDEST OF AFRICAN EXPLORERS, 

 1'ROFESSOR FRITSCH, IT REPRESENTS AN ELAND WHICH HE HAD KILLED 

 A SPECIES THEN FREOTENTLY MET WITH IN CAPE COLONY. 



long enough to secure a clear impression, yet not so long 

 as to make the moving animals come out quite blurred. 

 I am strongly of opinion that it is not of much advantage 

 to make out a table ot calculations as to the time ot 



667 



