exactly where he found it in relation to other objects. But with the 

 limited field of view of a camera, even with a wide-angle lens, 

 accentuated by the refractive index of water, it is always difficult 

 to photograph buildings in a way that does not make them look 

 like heaps of rocks. A cargo of amphorae presents no special prob- 

 lem to the photographer; he can always hover above it and photo- 

 graph it in plan. Buildings, however, are usually at a depth of 

 twenty feet or less, so it is impossible to get high enough above 

 them to take good plan view pictures. With this background of 

 the underwater archaeologist's equipment and working methods, 

 let us now turn to some of the submerged cities and lost wrecks 

 that have been discovered. 



Three divers of Jules Verne's imagination, 

 equipped witii seif-contained breattting 

 apparatus and rifles, explore tiie sea floor 

 near the fictitious island of Crespo. 



IJ9 



