TOPOGEAPHY— THE CHINCHA ISLANDS. 



327 



aware that this huami (guano), applied in moderation, stimulated the growth of 

 plants and improved the crops. In some of the old quarries their implements, 

 especially a kind of three-pronged fork in hard wood, have been found associated 



Fig. 125. — The Chincha Islands in 1856. 

 Scale 1 : 45,000. 



75° 26 



West or (jreenwich 



Depths. 



OtnSO 

 Fathoms. 



50 Fathoms 

 and upwards. 



II Mile. 



with gems and other valuable objects. The penalty of death was passed on those 

 killing the guanero birds, and no one was allowed to approach the islands during 

 the season of incubation. 



In modern times the export of guano in a large way began in 1841, and three 



